US20020106604A1 - Attachment devices and methods for a dental appliance - Google Patents
Attachment devices and methods for a dental appliance Download PDFInfo
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- US20020106604A1 US20020106604A1 US10/040,269 US4026901A US2002106604A1 US 20020106604 A1 US20020106604 A1 US 20020106604A1 US 4026901 A US4026901 A US 4026901A US 2002106604 A1 US2002106604 A1 US 2002106604A1
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- teeth
- attachment device
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
- A61C7/08—Mouthpiece-type retainers or positioners, e.g. for both the lower and upper arch
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C9/00—Impression cups, i.e. impression trays; Impression methods
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C9/00—Impression cups, i.e. impression trays; Impression methods
- A61C9/004—Means or methods for taking digitized impressions
- A61C9/0046—Data acquisition means or methods
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
- A61C7/002—Orthodontic computer assisted systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
Definitions
- the present invention is related generally to the field of orthodontics. More particularly, the present invention is related to improved systems and methods for removably attaching a dental positioning appliance to the dental features of a patient during orthodontic treatment.
- Braces comprise a variety of appliances such as brackets, bands, archwires, ligatures, and O-rings.
- the brackets and bands are bonded to the patient's teeth using a suitable material, such as dental adhesive. Once the adhesive has set, the archwire is attached to the brackets by way of slots in the brackets. The archwire links the brackets together and exerts forces on them to move the teeth over time.
- Twisted wires or elastomeric O-rings are commonly used to reinforce attachment of the archwire to the brackets. Attachment of the archwire to the brackets is known in the art of orthodontia as “ligation” and wires used in this procedure are called “ligatures.” The elastomeric O-rings are called “plastics.”
- a particularly promising approach relies on the use of elastic positioning appliances for realigning teeth.
- Such appliances comprise a thin shell of elastic material that generally conforms to a patient's teeth but is slightly out of alignment with the initial tooth configuration. Placement of the elastic positioner over the teeth applies controlled forces in specific locations to gradually move the teeth into the new configuration. Repetition of this process with successive appliances comprising new configurations eventually move the teeth through a series of intermediate configurations to a final desired configuration.
- a full description of an exemplary elastic polymeric positioning appliance is described in U.S. Pat. No. 5,975,893, and in published PCT application WO 98/58596 which designates the United States and which is assigned to the assignee of the present invention. Both documents are incorporated by reference for all purposes.
- polymeric positioning appliances are generally transparent, providing an improved cosmetic appearance, and impart substantial force on the teeth, due to stiffness of the appliance.
- the stiffness of an elastic positioning appliance is a result of the modulus of the thermoformable polymer materials from which it is made. The higher the modulus of the materials, the higher the stiffness of the appliance.
- shell-like elastic polymeric positioning appliances have difficulty applying certain forces to individual teeth, such as extrusive force (e.g., pulling or raising a tooth relative to the jaw).
- the present invention provides improved devices, systems and methods for removably attaching a dental positioning appliance to the dental features of a patient during orthodontic treatment.
- Such removable dental positioning appliances usually comprise an elastic polymeric shell having a cavity for receiving at least some of a patient's teeth and are often preferred over conventional braces for tooth repositioning due to comfort, appearance and ease of use.
- These appliances function by applying force to specific surfaces of the teeth or dental features to cause directed movement.
- the type of movement and level of force applied is usually dependent on the surface characteristics and positions of the dental features.
- the native tooth surface(s) and other dental features of a patient are inadequate to provide sufficient anchoring or to impart sufficient force on the teeth to be repositioned.
- the present invention uses one or more attachment devices which may be attached to preselected attachment points on the teeth or dental features to provide the appropriate physical leverage. Specific design and location of these attachment devices may provide newly achievable and/or more effective repositioning forces, anchoring ability and appliance retention.
- the systems and methods of the present invention provide the design, production and use of such attachment devices with removable dental positioning appliances in orthodontic treatment.
- attachment devices in combination with removable dental positioning appliances provides the patient with the benefits of removable appliances while retaining the ability to extrude, rotate, and otherwise manipulate teeth as with conventional braces.
- attachment devices may be bonded to the surface of the teeth in order to provide physical features which facilitate the application of controlled force.
- the attachment devices of the present invention may have a very simple construction, in some instances being only a bump, bead, wedge, or other body or structure which can be fixedly attached to the surface of a tooth or other dental feature in order to transmit force generated by the dental positioning appliance to the dental feature and/or to anchor the positioning appliance to teeth in order to permit the appliance to apply forces elsewhere in the patient's teeth.
- the attachment device acts simply as a handle or lever to assist in the transmission of force between the teeth and the dental positioning appliance.
- the attachment device may feature a hook, similar in design to those used for mounting elastic bands.
- the hook may be engaged with a number of ligatures, bands, filaments, coils or other connecting members to effect repositioning of the teeth, usually in combination with the dental positioning appliance.
- the hook may serve as an anchor in the repositioning of other teeth, or it may serve as a point of purchase to apply directed force to the surface of the tooth to which it is bonded.
- the attachment devices of the present invention unlike conventional braces, are typically small, infrequent, (i.e., present on very few of the patient's teeth) unnoticeable to others, and do not interfere with dental hygiene practices.
- the attachment device will have a small base e.g., up to 4 mm across (mesial-distal) and up to 6 mm long (gingiva-crown).
- An attachment device body may typically protrude up to a maximum of 2.5 mm. This is significantly smaller than standard brackets or bands used in convention braces which may protrude up to 4 mm.
- the devices may be bonded in specific locations throughout the dentition where appropriate and this may only be required at one or a few locations.
- the infrequency of the device in addition to the size, also reduces its visibility and awareness to the patient.
- the attachment device may be bonded to any surface of the teeth, including lingual surfaces which would allow the devices to be largely unnoticeable to others. In these cases, shape and design considerations would prevent any irritation to the contacting tissues, such as the tongue, inner lip and inner cheek.
- the attachment device When placed in visible areas, the attachment device may be color matched to the dental surface to further diminish its visibility.
- such attachment devices are typically designed to removably attach to a removable dental appliance. Thus, when the appliance is removed, routine brushing, flossing and dental care may be undertaken in the usual manner.
- Brackets used with conventional braces are limited in design and therefore application of use.
- these attachment devices have a large profile, protruding 2-4 mm, which is not conducive to use with elastic positioning appliances or other devices designed to be removably positioned over the attachment device.
- their surface geometry is limited to a few prescribed functions which are specific to use with conventional braces. Thus, they are not adequately capable of providing functions necessary to the present invention, such as removably attaching a dental positioning appliance.
- the attachment devices are comprised of an attachment body having a base.
- the base may simply be the portion of the attachment body which will be bonded to the surface of the dental feature.
- the base may be an enlarged portion of the body, designed to increase the surface area of the bond.
- the base may be removable or permanently attached.
- the attachment body may feature a variety of designs, most commonly being bumps, beads, wedges, also including but not limited to hooks, clasps, bands, brackets, buttons, snaps, springs, levers, rods, tubes, coils, indents and/or other protrusions. Each design may serve one or a number of purposes in repositioning of the teeth.
- a clasp may be used to attach a portion of a removable positioning appliance to the attachment device.
- This attachment device design may be desired for anchoring of the appliance or applying force to the dental feature to which the attachment device is bonded.
- Additional devices may be used in conjunction with the attachment body to attach the appliance to the attachment device.
- adhesives, flexible bands or connecting ligatures may be used in conjunction with the design of the attachment body to aid in connection to the appliance.
- an attachment body located on the lower jaw may be attached to a removable appliance placed on the upper jaw by means of a flexible band. This may afford desired force vectors that are unobtainable by other means.
- the attachment body may be comprised of specific design features to aid in properly seating a removable elastic repositioning appliance, in addition to anchoring the appliance in place to apply repositioning forces.
- a preferred embodiment of these design features includes an attachment body with a sloping face e.g., a wedge.
- the phrase “dental feature” will apply to any portion of the patient's teeth which may be contacted by a dental positioning appliance and/or engaged by an attachment device.
- the dental feature will be a portion of a surface of a natural tooth, but in some instances could be a portion or a surface of an artificial tooth, e.g., a dental implant, or a non-natural surface or repair of a native tooth, e.g., a filling, crown, inlay, restoration, or the like.
- the phrase dental feature will generally refer to all natural and non-natural teeth in a patient's dentition.
- the attachment device is bonded to and/or formed over a dental feature in a desired location.
- the attachment device may be bonded to any of these features with any suitable bonding material, typically dental restorative composites.
- the location in which one or more of these attachment devices are bonded is dependent upon the desired repositioning goal.
- the devices may be bonded to any surface of the dental features and may be placed singly or in groups.
- a given attachment device may be bonded to surfaces of more than one dental feature.
- an attachment device may placed on each of two teeth located on opposite sides of one or a contiguous group of teeth. When an elastic positioning appliance is inserted and attached to the two attachment devices, an intrusive force may be applied to the tooth or teeth in between. This is counterintuitive to the methods of conventional orthodontics in which brackets are bonded to the teeth that require repositioning.
- the attachment devices may be constructed from variety of materials, including but not limited to metals, glass or silicone filled polymers, and other composite materials. Such materials are typically designed to be chip, break and shear resistant for durability.
- the base of the attachment device may be constructed from the same or from different materials as the attachment body.
- the attachment body may be permanently or removably mounted on the base or the body and base may be constructed as one entity.
- the attachment device may be constructed from a polymer material or combination of materials which have been formulated to be sensitive to an environmental condition or external stimulus.
- the material may undergo a predetermined state change, which may be temporary or permanent.
- a rigid material may become temporarily malleable, allowing changes in geometry to be made.
- the material may return to its original rigid state and geometry or it may return to its original rigid state with the new geometry.
- such stimulus may be used to facilitate coupling an attachment device to an elastic positioning appliance. The stimulus may alter the geometry of the attachment device during insertion and placement of the appliance.
- Removal of the stimulus may allow the device to return to its original geometry for application of repositioning forces.
- a full description is provided in application Ser. No. 09/250,262, the full disclosure of which is incorporated herein by reference.
- such stimulus may be used to facilitate bonding of the attachment device to the surface of the dental feature.
- the stimulus may alter the state and geometry of the attachment device, or simply the base, to conform it to the surface of the dental feature to which it is to be bonded.
- the attachment device may remain in the new geometry, providing a larger contacting surface area for bonding.
- a malleable material may be molded into a desired form and polymerized by exposure to an environmental condition or stimulus. Such polymerization may permanently hold the material in the desired form. This may be useful in both constructing the attachment device and bonding the device to a dental surface.
- malleable material may be inserted in a mold of an attachment device. Polymerization, as described above, may result in a rigid attachment device in the molded form.
- the mold of the attachment device may be an impression in the wall of an elastic positioning appliance. This may ensure proper surface geometry for association between the attachment device and the appliance.
- polymerization of the material while the appliance is in place over the dental features may simultaneously bond the attachment device to the dental feature. This may ensure proper alignment of the attachment device and the receiving impression in the appliance, and it may also preclude the need for additional bonding materials.
- a fourth aspect of the present invention methods are provided to produce and/or bond an attachment device to a dental feature.
- Three preferred embodiments are applicable for use with elastic repositioning appliances or similarly fabricated devices and are as follows: 1) basic casting, 2) casting with polymerizing material and 3) computer-aided casting with polymerizing material.
- An example of basic casting involves producing two identical attachment devices by any means and comprised of any material(s).
- One attachment device may be placed in a desired location on a dental surface of the patient.
- the other attachment device may be placed in the identical location on a mold replicating at least the dental surface.
- An elastic positioning appliance or similar device may be formed over the mold containing the attachment device. Upon removal, a negative impression of the attachment device may be seen in the wall of the elastic positioning appliance.
- the impression in the appliance will correspond with the attachment device bonded to the dental surface.
- the attachment device may be bonded to the dental feature in a position or orientation that differs from the mold. Therefore, when the appliance is inserted by the patient, the impression in the appliance will be slightly out of alignment with the attachment device. This will apply force to the attachment device, resulting in gradual repositioning of the device and underlying dental feature.
- the method of casting with polymerizing material is similar to basic casting.
- an attachment device of any design and material is placed in a desired location on a mold replicating at least the dental surface of interest.
- an elastic positioning appliance or similarly fabricated device may be formed over the mold containing the attachment device, creating a negative impression of the attachment device in the wall of the appliance.
- a malleable polymerizing material may be placed into the negative impression in the appliance.
- the polymerizing material will be in contact with the dental surface and will be in the proper position.
- the material may be polymerized by any means, typically by an external stimulus or environmental condition. Polymerization may simultaneously harden the material and bond the material to the dental surface. Upon removal of the appliance, the formed attachment device may remain in place on the dental surface.
- the method of computer-aided casting with polymerizing material is similar to the methods described above, yet differs in the steps of creating the appliance.
- a 3-D computerized image of the attachment device is virtually placed in a desired location on an image of the dental surface.
- a mold is produced from the images using any computer-guided model fabrication system, such as stereolithography, CNC machining, and laser machining.
- the result is a mold of at least the dental surface of interest with a replica of the attachment device in proper position.
- an elastic positioning appliance or similarly fabricated device may be formed over the mold containing the attachment device, creating a negative impression of the attachment device in the wall of the appliance.
- a malleable polymerizing material may be placed into the negative impression in the appliance.
- the material When the appliance is inserted and seated in position in the oral cavity, the material may be polymerized, leaving a formed attachment device in place on the dental surface when the appliance is removed.
- an additional method is provided to produce and/or bond an attachment device to a dental feature.
- Two preferred embodiments are applicable for use with any dental appliances.
- the first embodiment involves a multi-tooth template which may be used to produce and/or bond an attachment device to a dental feature.
- the multi-tooth template may be thin and flexible to fit over multiple dental features at once, allowing multiple attachment devices to be placed at the same time.
- Receptacles may be present in the template to receive a polymerizing material. When the template is inserted and seated in position in the oral cavity, the polymerizing material will be in contact with the dental surface and will be in the proper position.
- the material may be polymerized by any means, typically by an external stimulus or environmental condition.
- Polymerization may simultaneously harden the material and bond the material to the dental surface.
- the formed attachment device may remain in place on the dental surface.
- This method may be similar or identical to casting with polymerizing material and computer-aided casting with polymerizing material, however it may differ in that the template may not be used as the repositioning appliance. This difference may afford the use of template designs that are not applicable to repositioning appliances.
- the template may be comprised of a material that is unsuitable for a repositioning appliance, or it may contain additional design features, such as handles, that would interfere with such usage.
- the template may be fabricated from a mold of the patient's present tooth configuration, rather than the tooth configuration prescribed by an elastic positioning appliance. This may facilitate the method of attachment device production and/or bonding due to the closer fit of the template to the tooth configuration.
- the second embodiment involves a single-tooth template which may be used to produce and/or bond an attachment device to a dental feature.
- the single-tooth template may be more rigid and may fit over a single dental feature.
- the template may be comprised of one or more receptacles to receive polymerizing material. When applied to the target surface of the dental feature, the material may be polymerized by any means previously described. The resulting attachment device is properly shaped and bonded in place.
- the single-tooth template may be comprised of a receptacle that is rigid, to receive the polymerizing material, surrounded by a thin, film-like portion of material that conforms to the dental feature. The thin, flexible area may contain an adhesive with which to hold the template in place on the dental feature. The material may then be polymerized to form the attachment device. When the procedure is complete, the template may be peeled off and discarded.
- Single-tooth and multi-tooth templates may allow the production and placement of one or more attachment devices to a dental feature independent of the geometry of certain adjacent dental features.
- a template may be used throughout various stages of orthodontic repositioning treatment. This may be useful to replace an attachment device which has broken off mid-treatment or to place new attachment devices throughout treatment.
- at least one receptacle may be present in the template to receive a polymerizing material.
- the polymerizing material When the template is inserted and seated in position in the oral cavity, the polymerizing material will be in contact with the dental surface and will be in the proper position.
- the material may be polymerized by any means, typically by an external stimulus or environmental condition. Polymerization may simultaneously harden the material and bond the material to the dental surface.
- templates may be used to bond any attachment device to a dental feature surface.
- a pre-fabricated attachment device may be bonded to a surface with the use of a template.
- An attachment device may be inserted in a receptacle of a template, adhesive applied to the base of the attachment device and the template applied to the dental surface. After bonding has occurred, the template may be removed.
- the template may provide proper positioning and orientation.
- a template may be used to form an attachment device using a polymerizing material, and then used again to bond the attachment device to a dental surface.
- a method is provided to improve the production of templates or elastic positioning appliances.
- additional structures are provided in the mold of the dental feature with desired attachment device.
- the structures may be of any geometry and are typically placed near the gingival surface.
- the structures provide a protrusion which aids in drawing the template or appliance from the mold. The protrusion may then be removed before use.
- a method is provided to further improve the production of templates or elastic positioning appliances.
- Such alterations may include trimming edges or removing portions to prevent interference with specific devices or dental features.
- a structure may be provided in the mold at the same location to aid in the creation of the window.
- a structure of spherical geometry may be provided in the mold at the desired location.
- Thermoforming of the appliance may result in a spherical protrusion at the location of the structure.
- the spherical protrusion may be removed by cutting, filing, sawing, or any other means of removal.
- a window with a shape corresponding to the cross section of the structure, in this case a circle may remain.
- a template or positioning appliance may be produced to cover desired dental features or to provide windows to expose such features.
- FIG. 1 illustrates a patient's tooth having an attachment device of the present invention bonded thereon.
- FIGS. 2A and 2B illustrate exemplary attachment devices having broad bonding bases attached thereto.
- FIGS. 3A and 3B illustrate attachment devices similar to those illustrated in FIGS. 2A and 2B, except that the attachment base is integral with the attachment body.
- FIGS. 4 and 4A are top and side view, respectively, of an exemplary attachment device having a hemispherical attachment body in the form of a simple “bump.”
- FIG. 4B is a perspective view of a similar attachment device with an elongated attachment body.
- FIG. 5 illustrates an attachment device having an elastic band connected to a hook portion thereof.
- FIG. 6 illustrates an attachment device similar to that shown in FIG. 4 which is attached to a positioning appliance via an adhesive layer.
- FIG. 7 illustrates an exemplary wedge-shaped attachment device of the present invention in combination with a dental positioning appliance having cavities formed therein for removably receiving the attachment devices.
- FIG. 8 is a detailed view of the attachment device of FIG. 7.
- FIGS. 9 A- 9 L are perspective views of a series of exemplary attachment devices with sloping angles constructed in accordance with the principles of the present invention.
- FIGS. 10 A- 10 F are front views of a series of attachment devices having wedge-shaped structures with different front end geometries.
- FIG. 11 illustrates a method according to the present invention for intruding a tooth located between a pair of teeth having attachment devices thereon.
- FIGS. 12A and 12B illustrate the mounting of an attachment device according to the present invention to a tooth surface.
- FIGS. 13 A- 13 D illustrate an embodiment of the method of basic casting.
- FIGS. 14 A- 14 C illustrates features of the method of casting with a polymerizing material.
- FIG. 14D includes a series of cross-sectional views further describing the method of FIGS. 14 A- 14 C.
- FIGS. 15 A- 15 C illustrates features of the method if computer-aided casting with polymerizing material.
- FIG. 16 illustrates an embodiment of a multi-tooth template having a handle for use in in situ formation of attachment devices according to the methods of the present invention.
- FIGS. 17A and 17B illustrate embodiments of single-tooth templates having handles for use in the methods of the present invention.
- FIG. 18 illustrates a method according to the present invention for forming a window in a tooth positioning appliance using a feature formed in a mold according to the methods of the present invention.
- the present invention provides improved systems and methods for removably attaching a dental positioning appliance to the dental features of a patient during orthodontic treatment.
- Preferred embodiments involve elastic repositioning appliances or similarly fabricated devices, however the present invention is applicable to any type of removable appliance.
- Systems for removably attaching an appliance typically involve the use of one or more attachment devices positioned on at least one dental feature.
- the attachment device 100 may be comprised of an attachment body 101 having a base 102 , which may be integral or separate and permanently or removably joined. Additional embodiments of attachment bodies 101 are depicted in FIG. 2 and FIG. 3. As seen in FIG. 2, the attachment device 110 may have a base 102 which is broader than the attachment body 102 to increase bonding surface area. Alternatively, the base 102 may simply be an end of the attachment body 101 for direct bonding to the tooth 103 . Corresponding embodiments with such bases 102 are depicted in FIG. 3.
- the devices 100 may be bonded to any surface of a dental feature and may be located in one or more locations.
- FIG. 4 depicts preferred embodiments of round-shaped attachment bodies 101 for such a purpose.
- a side view of such an attachment device 100 is shown in FIG. 4A.
- Bases 102 may be of any shape, thickness and orientation in relation to an attachment body 101 .
- a base 102 may have more than one discrete attachment body 101 .
- FIG. 5 depicts an attachment body 101 with a flexible band 200 to attach the body 101 to an appliance (not shown).
- the body 101 is shaped so as to receive the band 200 and hold it in place, for example in a hook shape.
- FIG. 6 is side view illustrating an attachment body 101 with an adhesive 201 to aid in attachment to an appliance 105 .
- Such an adhesive 201 may be any type of biocompatible material which may be applied by the patient, provided by the attachment device 100 or provided by the appliance 105 . Likewise, the adhesive 201 may provide adhesive qualities over variable lengths of time.
- attachment body 101 for use in aiding the proper seating of a removable elastic repositioning appliance 105 and anchoring the appliance 105 in place to apply repositioning forces.
- Such attachment bodies 101 may be located on any surface of a dental feature and may be placed singly or in groups.
- the design of the attachment body 101 may include a structure 300 which protrudes perpendicularly from the surface of the tooth 103 . As shown in FIG. 8, the structure 300 may contain a sloping angle 301 , from the surface of the tooth 103 to the opposing end of the structure 300 , which is preferably less than 90 degrees.
- FIG. 9A presents a perspective view of a variety of attachment devices 100 having sloping angles 301 as described.
- FIG. 9B presents a perspective view of attachment devices 100 having a series protruding structures 300 with sloping angles 301 .
- These designs may provide a means for a type of ratcheting action that would allow an appliance to be seated or positioned at differing levels. It may be appreciated that such designs may serve the same function without sloping angles 301 and with differing geometries.
- FIG. 10 presents a front view of a variety of attachment devices 100 having sloping angles 301 .
- the protruding structure 300 may grossly align with a matching negative impression 302 of the structure 300 formed into the appliance 105 .
- the slope of the protruding structure 300 may guide the appliance 105 into the proper position.
- the attachment device 100 may serve as an anchor for the appliance 105 to apply repositioning forces.
- the elastic appliance 105 and/or the attachment device 100 may change in shape, stiffness or orientation to implement such anchoring. These changes may be the result of state changes of one or more layers of the material when subjected to a certain environmental condition, such as non-physiologic pH, temperature, ionic strength or external stimulus.
- Repositioning forces as a result of anchoring may take many forms.
- attachment devices 100 may be placed to serve as anchors to apply directed intrusive repositioning forces.
- two attachment devices 100 may be placed on each of two teeth 103 located on opposites sides of one or a contiguous group of between teeth 103 ′.
- an elastic repositioning appliance 105 is produce with an inset profile 303 at the location in which intrusive force is to be applied.
- the appliance 105 is inserted for placement over the teeth 103 , 103 ′.
- the appliance 105 is attached to the attachment devices 100 which serve to anchor the appliance 105 .
- intrusive forces depicted by a downward arrow 304
- the intrusive forces will affect intrusion of the between teeth 103 ′, as shown in Step 5 .
- the profile of the appliance 105 may take a variety of forms to create intrusive forces, depending on the overall configuration of the teeth 103 and the between teeth 103 ′.
- the appliance 105 may have a profile that is generally flat, with no inset profile 303 .
- intrusive forces will again be applied to the between teeth 103 ′.
- the use of bonded devices, such as attachment devices 100 to apply repositioning forces to a tooth without bonded devices is distinct in that it is counterintuitive to the methods of conventional orthodontics in which brackets are bonded to the teeth that require repositioning.
- the attachment devices 100 may be constructed from a variety of materials, including materials which have been formulated to be sensitive to an environmental condition or external stimulus. For example, upon exposure, a rigid material may become temporarily malleable, allowing changes in geometry to be made. Upon removal of the condition or stimulus, the material may return to its original rigid state with the new geometry. This may be particularly useful in conforming the geometry of an attachment device 100 to better interface an uneven or curved surface.
- an attachment device 100 may be originally constructed to have an attachment base 102 which does not conform to the dental surface 305 to which it is to be bonded. In this case, the material may be exposed to a stimulus to which it is sensitive, initiating a state change in the material.
- Such a stimulus may be a change in the oral environment to a non-physiologic pH, temperature, ionic strength or liquid absorption.
- the stimulus may be of an external source such as light, magnetism, electricity, radiowaves, or chemicals.
- Such a state change may allow the material to become flexible so the attachment base 102 may conform to the dental surface 305 , as shown in FIG. 12B.
- a permanent state change in the material may occur as a result of applying a stimulus.
- the material may be malleable in its initial state, allowing it to be molded into a desired shape.
- the material may then be polymerized due to application of a stimulus.
- polymerization may occur over time from the point of initial formulation, as in the case of an air or moisture cure. Polymerization may simultaneously harden the material and form a bond between the material and any interfacing surface.
- a series of methods are provided based on these polymerization characteristics to produce and/or bond an attachment device 100 to a dental feature, such as a tooth 103 .
- Three preferred embodiments are applicable for use with elastic positioning appliances and are as follows: 1) basic casting, 2) casting with polymerizing material and 3) computer-aided casting with polymerizing material.
- FIGS. 13 A-D characterize an embodiment of the method of basic casting.
- Basic casting involves first producing two identical attachment devices 100 by any means.
- one attachment device 100 may be placed in a desired location on a mold 306 which replicates the dental feature of interest, in this case a tooth 103 .
- an elastic positioning appliance 105 may be formed over a mold 306 containing the attachment device 100 . This is typically accomplished by heating a thermoformable polymer material and applying vacuum or pressure to form the polymer to the mold. Alternatively, reaction casting may be used to produce such an appliance.
- FIG. 13C a negative impression 302 of the attachment device may be seen in the wall of the appliance 105 .
- the other attachment device 100 is placed in the identical location and orientation on the dental feature of the patient corresponding to the mold 306 .
- the impression 302 in the appliance 105 will correspond with the attachment device 100 bonded to the tooth 103 , as illustrated in FIG. 13D.
- FIG. 14A is an enlarged view of the underside of a portion of the appliance 105 , revealing a receiving cavity 401 for a tooth 103 and the negative impression 302 of an attachment device 100 filled with a polymerizing material 400 .
- the polymerizing material 400 will be in contact with the desired dental surface, in this case a tooth 103 , and will be positioned in the proper location.
- the material 400 may be polymerized (depicted by jagged arrow 402 ) by any means, such as an external stimulus.
- the formed attachment device 100 may remain in place on the tooth 103 , as shown in FIG. 14C.
- the method of computer-aided casting with polymerizing material 400 is similar to the methods described above, yet differs in the steps of creating the appliance 105 .
- a computerized image of the attachment device 100 is virtually placed in a desired location on an image of the dental surface. From these images, a mold 306 is produced comprising the dental surface of interest, in this case a tooth 103 , with an attachment device replica 403 in proper position. At this point, an elastic positioning appliance 105 may be formed over the mold 306 , as seen in FIG. 15A. Upon removal, FIG. 15B, a negative impression 302 of the attachment device 100 may be seen in the wall of the appliance 105 . At this point, the attachment device 100 may be formed and bonded to the dental feature by methods previously depicted in FIGS. 14 A-C.
- the first embodiment involves a multi-tooth template.
- the multi-tooth template may be similar or identical to an elastic repositioning appliance, and it may be used for casting with polymerizing material and computer-aided casting with polymerizing material, as described above. However, it may differ in that the template may not be used as the repositioning appliance. Therefore, multi-tooth template designs may include features that are not applicable to such use.
- FIG. 16 one embodiment depicts a type of handle 403 with which to easily place and remove the multi-tooth template 404 .
- the template 404 may contain receiving cavities 401 for only a select portion of teeth and it may include negative impressions 302 for attachment devices 100 on more than one tooth 103 .
- the second embodiment involves a single-tooth template.
- the single-tooth template is similar to the multi-tooth template 404 , however it may be more rigid as it is designed to fit over a single dental feature.
- one embodiment may contain a portion of a receiving cavity 401 which conforms to a portion of the surface of the target tooth 103 . It may also contain a type of handle 403 to aid in placement of the single-tooth template 405 . Production and bonding of an attachment device 100 to the tooth 103 may be accomplished by casting with polymerizing material or computer-aided casting with polymerizing material.
- an additional embodiment of a single-tooth template 405 may be seen in FIG. 17B.
- the template 405 may be thin and flexible to conform to a portion of a dental feature. It may contain adhesive ring 406 around the negative impression 302 of the attachment device 100 .
- the adhesive ring 406 will hold the template 405 in place on the dental feature, in this case a tooth 103 , throughout the casting with polymerizing material or computer-aided casting with polymerizing material to produce and bond the attachment device 100 .
- a pull-tab 407 may be present to facilitate a peeling removal of the template 405 .
- Step 1 a mold 306 is created with an added structure 500 in the location where the window is desired.
- the shape of the structure 500 should provide a cross-section (dashed line 501 ) that will form the shape of the window.
- the structure 500 is a sphere having a circular cross-section 501 .
- Step 2 a polymer sheet is thermoformed over the mold 306 , and an elastic appliance 105 is produced with a spherical protrusion 502 in the location of the structure 500 .
- the spherical protrusion 502 may be removed, as shown in Step 3 , leaving a window 503 with the same shape as the cross-section 501 of the structure 500 .
- the appliance 105 may be positioned on the dental features of the patient, allowing an attachment device 100 to be accessible through a window 503 .
Abstract
Description
- This application is a continuation-in-part of application Ser. No. 09/454,278, which claimed the benefit of provisional application No. 60/110,881, filed Dec. 4, 1998. This application is also a continuation-in-part of application Ser. No. 09/466,353, filed Dec. 17, 1999, which was a continuation of PCT/US98/12861, filed Jun. 19, 1998, which was a continuation-in-part of application Ser. No. 08/947,080, filed on Oct. 8, 1997, now U.S. Pat. No. 5,975,893, which claimed the benefit of provisional application No. 60/050,342, filed on Jun. 20, 1997. This application is also a continuation-in-part of application Ser. No. 09/250,962, filed on Feb. 16, 1999, now U.S. Pat. No. 6,183,248, which claimed the benefit of provisional application No. 60/110,189, filed on Nov. 30, 1999. This application is also a continuation-in-part of application Ser. No. 09/169,034, filed on Oct. 8, 1998, which was a continuation-in-part of application Ser. No. 08/947,080, filed on Oct. 8, 1997, now U.S. Pat. No. 5,975,893, which claimed the benefit of provisional application No. 60/050,342, filed on Jun. 20, 1997. The full disclosures of each of these applications are incorporated herein by reference.
- The present invention is related generally to the field of orthodontics. More particularly, the present invention is related to improved systems and methods for removably attaching a dental positioning appliance to the dental features of a patient during orthodontic treatment.
- Orthodontic treatments involve repositioning misaligned teeth and improving bite configurations for improved cosmetic appearance and dental function. Repositioning teeth is accomplished by applying controlled forces to the teeth over an extended period of time. This is conventionally accomplished by wearing what are commonly referred to as “braces.” Braces comprise a variety of appliances such as brackets, bands, archwires, ligatures, and O-rings. The brackets and bands are bonded to the patient's teeth using a suitable material, such as dental adhesive. Once the adhesive has set, the archwire is attached to the brackets by way of slots in the brackets. The archwire links the brackets together and exerts forces on them to move the teeth over time. Twisted wires or elastomeric O-rings are commonly used to reinforce attachment of the archwire to the brackets. Attachment of the archwire to the brackets is known in the art of orthodontia as “ligation” and wires used in this procedure are called “ligatures.” The elastomeric O-rings are called “plastics.”
- After the archwire is in place, periodic meetings with the orthodontist are required, during which the patient's braces will be adjusted. This involves installing different archwires having different force-inducing properties or by replacing or tightening existing ligatures. Between meetings, the patient may be required to wear supplementary appliances, such as elastic bands or headgear, to supply additional or extraoral forces.
- Although conventional braces are effective, they are often a tedious and time consuming process requiring many visits to the orthodontists office. Moreover, from a patient's perspective, they are unsightly and uncomfortable. Moreover, the archwire and ligatures which connect the brackets in a continuous network make brushing, flossing between the teeth and other dental hygiene procedures difficult, possibly contributing to the development of gingivitis. Consequently, alternative orthodontic treatments are needed. In particular, it would be desirable to use appliances which can be removed by the patient during daily dental hygiene routines, while participating in athletic activities, or for cosmetic purposes.
- A particularly promising approach relies on the use of elastic positioning appliances for realigning teeth. Such appliances comprise a thin shell of elastic material that generally conforms to a patient's teeth but is slightly out of alignment with the initial tooth configuration. Placement of the elastic positioner over the teeth applies controlled forces in specific locations to gradually move the teeth into the new configuration. Repetition of this process with successive appliances comprising new configurations eventually move the teeth through a series of intermediate configurations to a final desired configuration. A full description of an exemplary elastic polymeric positioning appliance is described in U.S. Pat. No. 5,975,893, and in published PCT application WO 98/58596 which designates the United States and which is assigned to the assignee of the present invention. Both documents are incorporated by reference for all purposes.
- In addition to their ease of use, polymeric positioning appliances are generally transparent, providing an improved cosmetic appearance, and impart substantial force on the teeth, due to stiffness of the appliance. The stiffness of an elastic positioning appliance is a result of the modulus of the thermoformable polymer materials from which it is made. The higher the modulus of the materials, the higher the stiffness of the appliance. When a patient positions such an appliance over a prescribed group of teeth, one or more of the teeth will provide a base or anchor region for holding the positioning appliance in place while the stiffness of the polymeric material will impart a resilient repositioning force against one or a portion of the remaining teeth. By designing the appliance to cover the teeth, a much larger contact surface area is afforded compared to traditional spring retainers and wire-based appliances. However, such anchoring and repositioning abilities of removable elastic positioning appliances are still dependent on the physical features and configuration of the patient's teeth, palette, and previous dental work, to name a few. For example, shell-like elastic polymeric positioning appliances have difficulty applying certain forces to individual teeth, such as extrusive force (e.g., pulling or raising a tooth relative to the jaw).
- Thus, it would be desirable to provide tooth positioners, systems, and methods which apply adequate force in desired directions to selected teeth at specific times during treatment. In particular, it would be desirable to enable the fabrication and use of removable positioners and systems which can apply extrusive, rotational, and other directional forces which have heretofore been difficult to apply with removable positioners. It would also be desirable to reduce the cost of the orthodontic treatment and retain the patient benefits of a removable appliance in cases where they might not otherwise be available. At least some of these objectives will be met by the designs and methods of the present invention described hereinafter.
- The present invention provides improved devices, systems and methods for removably attaching a dental positioning appliance to the dental features of a patient during orthodontic treatment. Such removable dental positioning appliances usually comprise an elastic polymeric shell having a cavity for receiving at least some of a patient's teeth and are often preferred over conventional braces for tooth repositioning due to comfort, appearance and ease of use. These appliances function by applying force to specific surfaces of the teeth or dental features to cause directed movement. However, the type of movement and level of force applied is usually dependent on the surface characteristics and positions of the dental features. In many cases, the native tooth surface(s) and other dental features of a patient are inadequate to provide sufficient anchoring or to impart sufficient force on the teeth to be repositioned. To overcome these limitations, the present invention uses one or more attachment devices which may be attached to preselected attachment points on the teeth or dental features to provide the appropriate physical leverage. Specific design and location of these attachment devices may provide newly achievable and/or more effective repositioning forces, anchoring ability and appliance retention. The systems and methods of the present invention provide the design, production and use of such attachment devices with removable dental positioning appliances in orthodontic treatment.
- The use of attachment devices in combination with removable dental positioning appliances provides the patient with the benefits of removable appliances while retaining the ability to extrude, rotate, and otherwise manipulate teeth as with conventional braces. Like conventional braces, attachment devices may be bonded to the surface of the teeth in order to provide physical features which facilitate the application of controlled force. The attachment devices of the present invention may have a very simple construction, in some instances being only a bump, bead, wedge, or other body or structure which can be fixedly attached to the surface of a tooth or other dental feature in order to transmit force generated by the dental positioning appliance to the dental feature and/or to anchor the positioning appliance to teeth in order to permit the appliance to apply forces elsewhere in the patient's teeth. In such instances, the attachment device acts simply as a handle or lever to assist in the transmission of force between the teeth and the dental positioning appliance. In other instances, the attachment device may feature a hook, similar in design to those used for mounting elastic bands. The hook may be engaged with a number of ligatures, bands, filaments, coils or other connecting members to effect repositioning of the teeth, usually in combination with the dental positioning appliance. The hook may serve as an anchor in the repositioning of other teeth, or it may serve as a point of purchase to apply directed force to the surface of the tooth to which it is bonded.
- The attachment devices of the present invention, unlike conventional braces, are typically small, infrequent, (i.e., present on very few of the patient's teeth) unnoticeable to others, and do not interfere with dental hygiene practices. Usually, the attachment device will have a small base e.g., up to 4 mm across (mesial-distal) and up to 6 mm long (gingiva-crown). An attachment device body may typically protrude up to a maximum of 2.5 mm. This is significantly smaller than standard brackets or bands used in convention braces which may protrude up to 4 mm. The devices may be bonded in specific locations throughout the dentition where appropriate and this may only be required at one or a few locations. Thus, the infrequency of the device, in addition to the size, also reduces its visibility and awareness to the patient. Likewise, the attachment device may be bonded to any surface of the teeth, including lingual surfaces which would allow the devices to be largely unnoticeable to others. In these cases, shape and design considerations would prevent any irritation to the contacting tissues, such as the tongue, inner lip and inner cheek. When placed in visible areas, the attachment device may be color matched to the dental surface to further diminish its visibility. In addition, such attachment devices are typically designed to removably attach to a removable dental appliance. Thus, when the appliance is removed, routine brushing, flossing and dental care may be undertaken in the usual manner.
- Brackets used with conventional braces, such as those used to support elastic bands or headgear, are limited in design and therefore application of use. Generally, these attachment devices have a large profile, protruding 2-4 mm, which is not conducive to use with elastic positioning appliances or other devices designed to be removably positioned over the attachment device. Likewise, their surface geometry is limited to a few prescribed functions which are specific to use with conventional braces. Thus, they are not adequately capable of providing functions necessary to the present invention, such as removably attaching a dental positioning appliance.
- In a first aspect of the present invention, the attachment devices are comprised of an attachment body having a base. The base may simply be the portion of the attachment body which will be bonded to the surface of the dental feature. Alternatively, the base may be an enlarged portion of the body, designed to increase the surface area of the bond. Likewise, the base may be removable or permanently attached. The attachment body may feature a variety of designs, most commonly being bumps, beads, wedges, also including but not limited to hooks, clasps, bands, brackets, buttons, snaps, springs, levers, rods, tubes, coils, indents and/or other protrusions. Each design may serve one or a number of purposes in repositioning of the teeth. For example, a clasp may be used to attach a portion of a removable positioning appliance to the attachment device. This attachment device design may be desired for anchoring of the appliance or applying force to the dental feature to which the attachment device is bonded. Additional devices may be used in conjunction with the attachment body to attach the appliance to the attachment device. For example, adhesives, flexible bands or connecting ligatures may be used in conjunction with the design of the attachment body to aid in connection to the appliance. In one such case, an attachment body located on the lower jaw may be attached to a removable appliance placed on the upper jaw by means of a flexible band. This may afford desired force vectors that are unobtainable by other means. Alternatively, the attachment body may be comprised of specific design features to aid in properly seating a removable elastic repositioning appliance, in addition to anchoring the appliance in place to apply repositioning forces. A preferred embodiment of these design features includes an attachment body with a sloping face e.g., a wedge.
- The phrase “dental feature” will apply to any portion of the patient's teeth which may be contacted by a dental positioning appliance and/or engaged by an attachment device. Usually, the dental feature will be a portion of a surface of a natural tooth, but in some instances could be a portion or a surface of an artificial tooth, e.g., a dental implant, or a non-natural surface or repair of a native tooth, e.g., a filling, crown, inlay, restoration, or the like. Thus, the phrase dental feature will generally refer to all natural and non-natural teeth in a patient's dentition. In a second aspect of the present invention, the attachment device is bonded to and/or formed over a dental feature in a desired location. The attachment device may be bonded to any of these features with any suitable bonding material, typically dental restorative composites. The location in which one or more of these attachment devices are bonded is dependent upon the desired repositioning goal. The devices may be bonded to any surface of the dental features and may be placed singly or in groups. Likewise, a given attachment device may be bonded to surfaces of more than one dental feature. In a preferred embodiment, an attachment device may placed on each of two teeth located on opposite sides of one or a contiguous group of teeth. When an elastic positioning appliance is inserted and attached to the two attachment devices, an intrusive force may be applied to the tooth or teeth in between. This is counterintuitive to the methods of conventional orthodontics in which brackets are bonded to the teeth that require repositioning.
- In a third aspect of the present invention, the attachment devices may be constructed from variety of materials, including but not limited to metals, glass or silicone filled polymers, and other composite materials. Such materials are typically designed to be chip, break and shear resistant for durability. The base of the attachment device may be constructed from the same or from different materials as the attachment body. Likewise, the attachment body may be permanently or removably mounted on the base or the body and base may be constructed as one entity.
- In a preferred embodiment, the attachment device may be constructed from a polymer material or combination of materials which have been formulated to be sensitive to an environmental condition or external stimulus. Upon exposure to such a condition or stimulus, the material may undergo a predetermined state change, which may be temporary or permanent. For example, upon exposure, a rigid material may become temporarily malleable, allowing changes in geometry to be made. Upon removal of the condition or stimulus, the material may return to its original rigid state and geometry or it may return to its original rigid state with the new geometry. In the former case, such stimulus may be used to facilitate coupling an attachment device to an elastic positioning appliance. The stimulus may alter the geometry of the attachment device during insertion and placement of the appliance. Removal of the stimulus may allow the device to return to its original geometry for application of repositioning forces. A full description is provided in application Ser. No. 09/250,262, the full disclosure of which is incorporated herein by reference. In the latter case, such stimulus may be used to facilitate bonding of the attachment device to the surface of the dental feature. The stimulus may alter the state and geometry of the attachment device, or simply the base, to conform it to the surface of the dental feature to which it is to be bonded. Upon removal of the stimulus, the attachment device may remain in the new geometry, providing a larger contacting surface area for bonding.
- Similarly, a malleable material may be molded into a desired form and polymerized by exposure to an environmental condition or stimulus. Such polymerization may permanently hold the material in the desired form. This may be useful in both constructing the attachment device and bonding the device to a dental surface. For example, malleable material may be inserted in a mold of an attachment device. Polymerization, as described above, may result in a rigid attachment device in the molded form. In a preferred embodiment, the mold of the attachment device may be an impression in the wall of an elastic positioning appliance. This may ensure proper surface geometry for association between the attachment device and the appliance. Likewise, polymerization of the material while the appliance is in place over the dental features may simultaneously bond the attachment device to the dental feature. This may ensure proper alignment of the attachment device and the receiving impression in the appliance, and it may also preclude the need for additional bonding materials.
- In a fourth aspect of the present invention, methods are provided to produce and/or bond an attachment device to a dental feature. Three preferred embodiments are applicable for use with elastic repositioning appliances or similarly fabricated devices and are as follows: 1) basic casting, 2) casting with polymerizing material and 3) computer-aided casting with polymerizing material. An example of basic casting involves producing two identical attachment devices by any means and comprised of any material(s). One attachment device may be placed in a desired location on a dental surface of the patient. The other attachment device may be placed in the identical location on a mold replicating at least the dental surface. An elastic positioning appliance or similar device may be formed over the mold containing the attachment device. Upon removal, a negative impression of the attachment device may be seen in the wall of the elastic positioning appliance. Therefore, when the appliance is inserted and seated in position by the patient, the impression in the appliance will correspond with the attachment device bonded to the dental surface. If the attachment device is to be used as a point of purchase to effect movement of the dental feature to which it is attached, the attachment device may be bonded to the dental feature in a position or orientation that differs from the mold. Therefore, when the appliance is inserted by the patient, the impression in the appliance will be slightly out of alignment with the attachment device. This will apply force to the attachment device, resulting in gradual repositioning of the device and underlying dental feature.
- The method of casting with polymerizing material is similar to basic casting. Like basic casting, an attachment device of any design and material is placed in a desired location on a mold replicating at least the dental surface of interest. Again, an elastic positioning appliance or similarly fabricated device may be formed over the mold containing the attachment device, creating a negative impression of the attachment device in the wall of the appliance. At this point, a malleable polymerizing material may be placed into the negative impression in the appliance. When the appliance is inserted and seated in position in the oral cavity, the polymerizing material will be in contact with the dental surface and will be in the proper position. The material may be polymerized by any means, typically by an external stimulus or environmental condition. Polymerization may simultaneously harden the material and bond the material to the dental surface. Upon removal of the appliance, the formed attachment device may remain in place on the dental surface.
- The method of computer-aided casting with polymerizing material is similar to the methods described above, yet differs in the steps of creating the appliance. Here, a 3-D computerized image of the attachment device is virtually placed in a desired location on an image of the dental surface. A mold is produced from the images using any computer-guided model fabrication system, such as stereolithography, CNC machining, and laser machining. The result is a mold of at least the dental surface of interest with a replica of the attachment device in proper position. At this point, an elastic positioning appliance or similarly fabricated device may be formed over the mold containing the attachment device, creating a negative impression of the attachment device in the wall of the appliance. Again, a malleable polymerizing material may be placed into the negative impression in the appliance. When the appliance is inserted and seated in position in the oral cavity, the material may be polymerized, leaving a formed attachment device in place on the dental surface when the appliance is removed.
- In a fifth aspect of the present invention, an additional method is provided to produce and/or bond an attachment device to a dental feature. Two preferred embodiments are applicable for use with any dental appliances. The first embodiment involves a multi-tooth template which may be used to produce and/or bond an attachment device to a dental feature. The multi-tooth template may be thin and flexible to fit over multiple dental features at once, allowing multiple attachment devices to be placed at the same time. Receptacles may be present in the template to receive a polymerizing material. When the template is inserted and seated in position in the oral cavity, the polymerizing material will be in contact with the dental surface and will be in the proper position. The material may be polymerized by any means, typically by an external stimulus or environmental condition. Polymerization may simultaneously harden the material and bond the material to the dental surface. Upon removal of the template, the formed attachment device may remain in place on the dental surface. This method may be similar or identical to casting with polymerizing material and computer-aided casting with polymerizing material, however it may differ in that the template may not be used as the repositioning appliance. This difference may afford the use of template designs that are not applicable to repositioning appliances. For example, the template may be comprised of a material that is unsuitable for a repositioning appliance, or it may contain additional design features, such as handles, that would interfere with such usage. Similarly, the template may be fabricated from a mold of the patient's present tooth configuration, rather than the tooth configuration prescribed by an elastic positioning appliance. This may facilitate the method of attachment device production and/or bonding due to the closer fit of the template to the tooth configuration.
- The second embodiment involves a single-tooth template which may be used to produce and/or bond an attachment device to a dental feature. The single-tooth template may be more rigid and may fit over a single dental feature. The template may be comprised of one or more receptacles to receive polymerizing material. When applied to the target surface of the dental feature, the material may be polymerized by any means previously described. The resulting attachment device is properly shaped and bonded in place. Alternatively, the single-tooth template may be comprised of a receptacle that is rigid, to receive the polymerizing material, surrounded by a thin, film-like portion of material that conforms to the dental feature. The thin, flexible area may contain an adhesive with which to hold the template in place on the dental feature. The material may then be polymerized to form the attachment device. When the procedure is complete, the template may be peeled off and discarded.
- Single-tooth and multi-tooth templates may allow the production and placement of one or more attachment devices to a dental feature independent of the geometry of certain adjacent dental features. Thus, a template may be used throughout various stages of orthodontic repositioning treatment. This may be useful to replace an attachment device which has broken off mid-treatment or to place new attachment devices throughout treatment. As described above, at least one receptacle may be present in the template to receive a polymerizing material. When the template is inserted and seated in position in the oral cavity, the polymerizing material will be in contact with the dental surface and will be in the proper position. The material may be polymerized by any means, typically by an external stimulus or environmental condition. Polymerization may simultaneously harden the material and bond the material to the dental surface. Upon removal of the template, the formed attachment device may remain in place on the dental surface. Alternatively, templates may be used to bond any attachment device to a dental feature surface. For example, a pre-fabricated attachment device may be bonded to a surface with the use of a template. An attachment device may be inserted in a receptacle of a template, adhesive applied to the base of the attachment device and the template applied to the dental surface. After bonding has occurred, the template may be removed. Thus, the template may provide proper positioning and orientation. Likewise, a template may be used to form an attachment device using a polymerizing material, and then used again to bond the attachment device to a dental surface.
- In a sixth aspect of the present invention, a method is provided to improve the production of templates or elastic positioning appliances. In a preferred embodiment, additional structures are provided in the mold of the dental feature with desired attachment device. The structures may be of any geometry and are typically placed near the gingival surface. When a template or appliance is thermoformed over the mold and additional structures, the structures provide a protrusion which aids in drawing the template or appliance from the mold. The protrusion may then be removed before use.
- In a further aspect of the present invention, a method is provided to further improve the production of templates or elastic positioning appliances. In some cases, it may be desired to alter a template or appliance after it has been removed from a mold. Such alterations may include trimming edges or removing portions to prevent interference with specific devices or dental features. For example, it may be desirable to produce an elastic appliance with a window in a particular location corresponding to the placement of an attachment device. To ensure proper location of the window, a structure may be provided in the mold at the same location to aid in the creation of the window. In a preferred embodiment, a structure of spherical geometry may be provided in the mold at the desired location. Thermoforming of the appliance may result in a spherical protrusion at the location of the structure. After removal of the appliance from the mold, the spherical protrusion may be removed by cutting, filing, sawing, or any other means of removal. Thus, a window with a shape corresponding to the cross section of the structure, in this case a circle, may remain. As a result, a template or positioning appliance may be produced to cover desired dental features or to provide windows to expose such features.
- FIG. 1 illustrates a patient's tooth having an attachment device of the present invention bonded thereon.
- FIGS. 2A and 2B illustrate exemplary attachment devices having broad bonding bases attached thereto.
- FIGS. 3A and 3B illustrate attachment devices similar to those illustrated in FIGS. 2A and 2B, except that the attachment base is integral with the attachment body.
- FIGS. 4 and 4A are top and side view, respectively, of an exemplary attachment device having a hemispherical attachment body in the form of a simple “bump.” FIG. 4B is a perspective view of a similar attachment device with an elongated attachment body.
- FIG. 5 illustrates an attachment device having an elastic band connected to a hook portion thereof.
- FIG. 6 illustrates an attachment device similar to that shown in FIG. 4 which is attached to a positioning appliance via an adhesive layer.
- FIG. 7 illustrates an exemplary wedge-shaped attachment device of the present invention in combination with a dental positioning appliance having cavities formed therein for removably receiving the attachment devices.
- FIG. 8 is a detailed view of the attachment device of FIG. 7.
- FIGS.9A-9L are perspective views of a series of exemplary attachment devices with sloping angles constructed in accordance with the principles of the present invention.
- FIGS.10A-10F are front views of a series of attachment devices having wedge-shaped structures with different front end geometries.
- FIG. 11 illustrates a method according to the present invention for intruding a tooth located between a pair of teeth having attachment devices thereon.
- FIGS. 12A and 12B illustrate the mounting of an attachment device according to the present invention to a tooth surface.
- FIGS.13A-13D illustrate an embodiment of the method of basic casting.
- FIGS.14A-14C illustrates features of the method of casting with a polymerizing material.
- FIG. 14D includes a series of cross-sectional views further describing the method of FIGS.14A-14C.
- FIGS.15A-15C illustrates features of the method if computer-aided casting with polymerizing material.
- FIG. 16 illustrates an embodiment of a multi-tooth template having a handle for use in in situ formation of attachment devices according to the methods of the present invention.
- FIGS. 17A and 17B illustrate embodiments of single-tooth templates having handles for use in the methods of the present invention.
- FIG. 18 illustrates a method according to the present invention for forming a window in a tooth positioning appliance using a feature formed in a mold according to the methods of the present invention.
- The present invention provides improved systems and methods for removably attaching a dental positioning appliance to the dental features of a patient during orthodontic treatment. Preferred embodiments involve elastic repositioning appliances or similarly fabricated devices, however the present invention is applicable to any type of removable appliance. Systems for removably attaching an appliance typically involve the use of one or more attachment devices positioned on at least one dental feature.
- Referring to FIG. 1, a preferred embodiment of an
attachment device 100 is shown bonded to atooth 103 above thegingiva 104. Theattachment device 100 may be comprised of anattachment body 101 having a base 102, which may be integral or separate and permanently or removably joined. Additional embodiments ofattachment bodies 101 are depicted in FIG. 2 and FIG. 3. As seen in FIG. 2, the attachment device 110 may have a base 102 which is broader than theattachment body 102 to increase bonding surface area. Alternatively, thebase 102 may simply be an end of theattachment body 101 for direct bonding to thetooth 103. Corresponding embodiments withsuch bases 102 are depicted in FIG. 3. Thedevices 100 may be bonded to any surface of a dental feature and may be located in one or more locations. - Specific shapes and designs may be particularly useful in certain locations. For example,
attachment devices 100 positioned on the lingual surfaces of the teeth would characteristically prevent irritation to contacting tissues, such as the tongue. FIG. 4 depicts preferred embodiments of round-shapedattachment bodies 101 for such a purpose. A side view of such anattachment device 100 is shown in FIG. 4A.Bases 102 may be of any shape, thickness and orientation in relation to anattachment body 101. Likewise, abase 102 may have more than onediscrete attachment body 101. - Additional devices may be used in conjunction with an
attachment body 101 to attach an appliance to anattachment device 100. For example, adhesives, flexible bands or connecting ligatures may be used in conjunction with the design of theattachment body 101 to aid in connection to the appliance. FIG. 5 depicts anattachment body 101 with aflexible band 200 to attach thebody 101 to an appliance (not shown). Thebody 101 is shaped so as to receive theband 200 and hold it in place, for example in a hook shape. FIG. 6 is side view illustrating anattachment body 101 with an adhesive 201 to aid in attachment to anappliance 105. Such an adhesive 201 may be any type of biocompatible material which may be applied by the patient, provided by theattachment device 100 or provided by theappliance 105. Likewise, the adhesive 201 may provide adhesive qualities over variable lengths of time. - Referring now to FIG. 7, a preferred embodiment of an
attachment body 101 design is illustrated for use in aiding the proper seating of a removableelastic repositioning appliance 105 and anchoring theappliance 105 in place to apply repositioning forces.Such attachment bodies 101 may be located on any surface of a dental feature and may be placed singly or in groups. The design of theattachment body 101 may include astructure 300 which protrudes perpendicularly from the surface of thetooth 103. As shown in FIG. 8, thestructure 300 may contain asloping angle 301, from the surface of thetooth 103 to the opposing end of thestructure 300, which is preferably less than 90 degrees. FIG. 9A presents a perspective view of a variety ofattachment devices 100 havingsloping angles 301 as described. FIG. 9B presents a perspective view ofattachment devices 100 having aseries protruding structures 300 withsloping angles 301. These designs may provide a means for a type of ratcheting action that would allow an appliance to be seated or positioned at differing levels. It may be appreciated that such designs may serve the same function without slopingangles 301 and with differing geometries. Similarly, FIG. 10 presents a front view of a variety ofattachment devices 100 havingsloping angles 301. - Referring back to FIG. 7, when the
elastic positioning appliance 105 is inserted for placement, the protrudingstructure 300 may grossly align with a matchingnegative impression 302 of thestructure 300 formed into theappliance 105. As theappliance 105 is seated, the slope of the protrudingstructure 300 may guide theappliance 105 into the proper position. Once in position, theattachment device 100 may serve as an anchor for theappliance 105 to apply repositioning forces. Additionally, theelastic appliance 105 and/or theattachment device 100 may change in shape, stiffness or orientation to implement such anchoring. These changes may be the result of state changes of one or more layers of the material when subjected to a certain environmental condition, such as non-physiologic pH, temperature, ionic strength or external stimulus. - Repositioning forces as a result of anchoring may take many forms. In a preferred embodiment illustrated in FIG. 11,
attachment devices 100 may be placed to serve as anchors to apply directed intrusive repositioning forces. As shown inStep 1, twoattachment devices 100 may be placed on each of twoteeth 103 located on opposites sides of one or a contiguous group of betweenteeth 103′. InStep 2, anelastic repositioning appliance 105 is produce with aninset profile 303 at the location in which intrusive force is to be applied. InStep 3, theappliance 105 is inserted for placement over theteeth Step 4, theappliance 105 is attached to theattachment devices 100 which serve to anchor theappliance 105. As a result, intrusive forces, depicted by adownward arrow 304, are applied to the betweenteeth 103′. Over time, the intrusive forces will affect intrusion of the betweenteeth 103′, as shown inStep 5. It may be appreciated that the profile of theappliance 105 may take a variety of forms to create intrusive forces, depending on the overall configuration of theteeth 103 and the betweenteeth 103′. For example, in the case where the betweenteeth 103′ are initially more extruded than theadjacent teeth 103, theappliance 105 may have a profile that is generally flat, with noinset profile 303. Thus, when theappliance 105 is attached to theattachment devices 100, intrusive forces will again be applied to the betweenteeth 103′. The use of bonded devices, such asattachment devices 100, to apply repositioning forces to a tooth without bonded devices is distinct in that it is counterintuitive to the methods of conventional orthodontics in which brackets are bonded to the teeth that require repositioning. - As previously described, the
attachment devices 100 may be constructed from a variety of materials, including materials which have been formulated to be sensitive to an environmental condition or external stimulus. For example, upon exposure, a rigid material may become temporarily malleable, allowing changes in geometry to be made. Upon removal of the condition or stimulus, the material may return to its original rigid state with the new geometry. This may be particularly useful in conforming the geometry of anattachment device 100 to better interface an uneven or curved surface. As shown in FIG. 12A, anattachment device 100 may be originally constructed to have anattachment base 102 which does not conform to thedental surface 305 to which it is to be bonded. In this case, the material may be exposed to a stimulus to which it is sensitive, initiating a state change in the material. Such a stimulus may be a change in the oral environment to a non-physiologic pH, temperature, ionic strength or liquid absorption. Likewise, the stimulus may be of an external source such as light, magnetism, electricity, radiowaves, or chemicals. Such a state change may allow the material to become flexible so theattachment base 102 may conform to thedental surface 305, as shown in FIG. 12B. - Similarly, a permanent state change in the material may occur as a result of applying a stimulus. Thus, the material may be malleable in its initial state, allowing it to be molded into a desired shape. The material may then be polymerized due to application of a stimulus. Likewise, polymerization may occur over time from the point of initial formulation, as in the case of an air or moisture cure. Polymerization may simultaneously harden the material and form a bond between the material and any interfacing surface.
- A series of methods are provided based on these polymerization characteristics to produce and/or bond an
attachment device 100 to a dental feature, such as atooth 103. Three preferred embodiments are applicable for use with elastic positioning appliances and are as follows: 1) basic casting, 2) casting with polymerizing material and 3) computer-aided casting with polymerizing material. - FIGS.13A-D characterize an embodiment of the method of basic casting. Basic casting involves first producing two
identical attachment devices 100 by any means. As shown in FIG. 13A, oneattachment device 100 may be placed in a desired location on amold 306 which replicates the dental feature of interest, in this case atooth 103. As shown in FIG. 13B, anelastic positioning appliance 105 may be formed over amold 306 containing theattachment device 100. This is typically accomplished by heating a thermoformable polymer material and applying vacuum or pressure to form the polymer to the mold. Alternatively, reaction casting may be used to produce such an appliance. Upon removal, FIG. 13C, anegative impression 302 of the attachment device may be seen in the wall of theappliance 105. Theother attachment device 100 is placed in the identical location and orientation on the dental feature of the patient corresponding to themold 306. When theappliance 105 is inserted and seated in position, theimpression 302 in theappliance 105 will correspond with theattachment device 100 bonded to thetooth 103, as illustrated in FIG. 13D. - The method of casting with a polymerizing material is similar to the method of basic casting. In one embodiment, an
elastic positioning appliance 105 is formed over amold 306 containing anattachment device 100, as previously depicted in FIGS. 13A-C. At this point, amalleable polymerizing material 400 may be placed into thenegative impression 302 in theappliance 105. FIG. 14A is an enlarged view of the underside of a portion of theappliance 105, revealing a receivingcavity 401 for atooth 103 and thenegative impression 302 of anattachment device 100 filled with a polymerizingmaterial 400. When theappliance 105 is seated in position in the oral cavity, FIG. 14B, the polymerizingmaterial 400 will be in contact with the desired dental surface, in this case atooth 103, and will be positioned in the proper location. Thematerial 400 may be polymerized (depicted by jagged arrow 402) by any means, such as an external stimulus. Upon removal of theappliance 105, the formedattachment device 100 may remain in place on thetooth 103, as shown in FIG. 14C. Cross-sectional views of this method or presented in FIG. 14D. - The method of computer-aided casting with polymerizing
material 400 is similar to the methods described above, yet differs in the steps of creating theappliance 105. In one embodiment, a computerized image of theattachment device 100 is virtually placed in a desired location on an image of the dental surface. From these images, amold 306 is produced comprising the dental surface of interest, in this case atooth 103, with anattachment device replica 403 in proper position. At this point, anelastic positioning appliance 105 may be formed over themold 306, as seen in FIG. 15A. Upon removal, FIG. 15B, anegative impression 302 of theattachment device 100 may be seen in the wall of theappliance 105. At this point, theattachment device 100 may be formed and bonded to the dental feature by methods previously depicted in FIGS. 14A-C. - Two additional methods are provided to produce and/or bond an
attachment device 100 to a dental feature, such as atooth 103. These embodiments are applicable for use with any dental appliance. The first embodiment involves a multi-tooth template. The multi-tooth template may be similar or identical to an elastic repositioning appliance, and it may be used for casting with polymerizing material and computer-aided casting with polymerizing material, as described above. However, it may differ in that the template may not be used as the repositioning appliance. Therefore, multi-tooth template designs may include features that are not applicable to such use. For example, in FIG. 16, one embodiment depicts a type ofhandle 403 with which to easily place and remove themulti-tooth template 404. As shown, thetemplate 404 may contain receivingcavities 401 for only a select portion of teeth and it may includenegative impressions 302 forattachment devices 100 on more than onetooth 103. - The second embodiment involves a single-tooth template. The single-tooth template is similar to the
multi-tooth template 404, however it may be more rigid as it is designed to fit over a single dental feature. As shown in FIG. 17A, one embodiment may contain a portion of a receivingcavity 401 which conforms to a portion of the surface of thetarget tooth 103. It may also contain a type ofhandle 403 to aid in placement of the single-tooth template 405. Production and bonding of anattachment device 100 to thetooth 103 may be accomplished by casting with polymerizing material or computer-aided casting with polymerizing material. Similarly, an additional embodiment of a single-tooth template 405 may be seen in FIG. 17B. Here thetemplate 405 may be thin and flexible to conform to a portion of a dental feature. It may containadhesive ring 406 around thenegative impression 302 of theattachment device 100. Theadhesive ring 406 will hold thetemplate 405 in place on the dental feature, in this case atooth 103, throughout the casting with polymerizing material or computer-aided casting with polymerizing material to produce and bond theattachment device 100. A pull-tab 407 may be present to facilitate a peeling removal of thetemplate 405. - A method to further aid in production of templates or elastic positioning appliances in depicted in FIG. 18. Here, an embodiment of an improved method for producing a window of particular shape and location in an elastic appliance is presented to prevent interference with specific devices or dental features. As shown in
Step 1, amold 306 is created with an addedstructure 500 in the location where the window is desired. The shape of thestructure 500 should provide a cross-section (dashed line 501) that will form the shape of the window. In this example, thestructure 500 is a sphere having acircular cross-section 501. InStep 2, a polymer sheet is thermoformed over themold 306, and anelastic appliance 105 is produced with aspherical protrusion 502 in the location of thestructure 500. After removal of theappliance 105 from themold 306, thespherical protrusion 502 may be removed, as shown inStep 3, leaving awindow 503 with the same shape as thecross-section 501 of thestructure 500. InStep 4, theappliance 105 may be positioned on the dental features of the patient, allowing anattachment device 100 to be accessible through awindow 503.
Claims (20)
Priority Applications (6)
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US10/040,269 US6705863B2 (en) | 1997-06-20 | 2001-10-29 | Attachment devices and methods for a dental appliance |
US10/632,482 US7059850B1 (en) | 1997-06-20 | 2003-08-01 | Attachment devices and methods for a dental appliance |
US10/660,857 US7125248B2 (en) | 1997-06-20 | 2003-09-12 | Attachment devices and methods for a dental appliance |
US10/863,991 US7771195B2 (en) | 2001-10-29 | 2004-06-09 | Polar attachment devices and method for a dental appliance |
US11/109,978 US20050244782A1 (en) | 1997-06-20 | 2005-04-19 | Method and system for incrementally moving teeth |
US11/982,302 US7841858B2 (en) | 2001-10-29 | 2007-10-31 | Polar attachment devices and method for a dental appliance |
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US5034297P | 1997-06-20 | 1997-06-20 | |
US08/947,080 US5975893A (en) | 1997-06-20 | 1997-10-08 | Method and system for incrementally moving teeth |
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US09/169,034 US6471511B1 (en) | 1997-06-20 | 1998-10-08 | Defining tooth-moving appliances computationally |
US11018998P | 1998-11-30 | 1998-11-30 | |
US11088198P | 1998-12-04 | 1998-12-04 | |
US09/250,962 US6183248B1 (en) | 1998-11-30 | 1999-02-16 | System and method for releasing tooth positioning appliances |
US09/454,278 US6309215B1 (en) | 1997-06-20 | 1999-12-03 | Attachment devices and method for a dental applicance |
US10/040,269 US6705863B2 (en) | 1997-06-20 | 2001-10-29 | Attachment devices and methods for a dental appliance |
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US09/169,034 Continuation-In-Part US6471511B1 (en) | 1997-06-20 | 1998-10-08 | Defining tooth-moving appliances computationally |
US09/250,962 Continuation-In-Part US6183248B1 (en) | 1997-06-20 | 1999-02-16 | System and method for releasing tooth positioning appliances |
US09/454,278 Continuation-In-Part US6309215B1 (en) | 1997-06-20 | 1999-12-03 | Attachment devices and method for a dental applicance |
US09/466,353 Continuation-In-Part US6398548B1 (en) | 1997-06-20 | 1999-12-17 | Method and system for incrementally moving teeth |
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US10/660,857 Continuation US7125248B2 (en) | 1997-06-20 | 2003-09-12 | Attachment devices and methods for a dental appliance |
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Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040259051A1 (en) * | 2001-12-28 | 2004-12-23 | Nobel Biocare Ab | Arrangement and device for using a template to form holes for implants in bone, preferably jaw bone |
US20060008763A1 (en) * | 2002-12-30 | 2006-01-12 | Izidor Brajnovic | Device and arrangement for fixture installation |
WO2006014131A1 (en) * | 2004-08-05 | 2006-02-09 | Nobel Biocare Ab (Publ) | Device and procedure for facilitating the fitting of a tooth or tooth remnant template into the right position |
US20060234179A1 (en) * | 2005-04-15 | 2006-10-19 | Huafeng Wen | Dental aligner devices having snap-on connectors |
US20080153065A1 (en) * | 2002-12-30 | 2008-06-26 | Nobel Biocare Ag | Device forming part of a dental screwing arrangement |
WO2008115654A1 (en) | 2007-03-19 | 2008-09-25 | Align Technology, Inc. | Active attachments for interacting with a polymeric shell dental appliance |
US20100068671A1 (en) * | 2008-09-12 | 2010-03-18 | Ali Kakavand | Dental appliance with resilient portion |
US20110165536A1 (en) * | 2010-01-06 | 2011-07-07 | Rainbow Medical Ltd. | Alveolar ridge augmentation |
USRE43584E1 (en) | 2000-12-29 | 2012-08-14 | Nobel Biocare Services Ag | Method, arrangement and program for a prosthetic installation |
US8540510B2 (en) | 2006-05-04 | 2013-09-24 | Nobel Biocare Services Ag | Device for securing a dental implant in bone tissue, a method for making a surgical template and a method of securing a dental implant in bone tissue |
US20140178830A1 (en) * | 2012-12-21 | 2014-06-26 | Friedrich Widu | Guidance element for a tooth |
US20160095670A1 (en) * | 2014-10-07 | 2016-04-07 | Orametrix, Inc. | Tooth attachment placement device |
US9348973B2 (en) | 2009-05-18 | 2016-05-24 | Nobel Biocare Services Ag | Method and system providing improved data matching for virtual planning |
WO2017044631A1 (en) * | 2015-09-08 | 2017-03-16 | Martz Martin G | Tooth-positioning appliance, systems and methods of producing and using the same |
US20170135792A1 (en) * | 2015-11-12 | 2017-05-18 | Align Technology, Inc. | Dental attachment formation structure |
US20170135793A1 (en) * | 2015-11-12 | 2017-05-18 | Align Technology, Inc. | Dental attachment formation structures |
US10206757B2 (en) | 2007-01-10 | 2019-02-19 | Nobel Biocare Services Ag | Method and system for dental planning and production |
US20190314117A1 (en) * | 2008-11-20 | 2019-10-17 | Align Technology, Inc. | Orthodontic systems and methods including parametric attachments |
US20210161622A1 (en) * | 2015-06-09 | 2021-06-03 | Align Technology, Inc. | Dental appliance binding structure |
US11123157B2 (en) * | 2018-10-05 | 2021-09-21 | Ross Aronson | Universal attachment for an orthodontic aligner |
US11413117B2 (en) | 2018-06-12 | 2022-08-16 | LightForce Orthodontics Inc. | Ceramic processing and design for the direct manufacture of customized labial and lingual orthodontic clear aligner attachments |
Families Citing this family (292)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6705863B2 (en) * | 1997-06-20 | 2004-03-16 | Align Technology, Inc. | Attachment devices and methods for a dental appliance |
US6450807B1 (en) | 1997-06-20 | 2002-09-17 | Align Technology, Inc. | System and method for positioning teeth |
US8496474B2 (en) | 1997-06-20 | 2013-07-30 | Align Technology, Inc. | Computer automated development of an orthodontic treatment plan and appliance |
IL122807A0 (en) | 1997-12-30 | 1998-08-16 | Cadent Ltd | Virtual orthodontic treatment |
IL125659A (en) | 1998-08-05 | 2002-09-12 | Cadent Ltd | Method and apparatus for imaging three-dimensional structure |
US11026768B2 (en) | 1998-10-08 | 2021-06-08 | Align Technology, Inc. | Dental appliance reinforcement |
US6802713B1 (en) * | 1998-10-08 | 2004-10-12 | Align Technology, Inc. | Defining tooth-moving appliances computationally |
US6406292B1 (en) | 1999-05-13 | 2002-06-18 | Align Technology, Inc. | System for determining final position of teeth |
US6227851B1 (en) * | 1998-12-04 | 2001-05-08 | Align Technology, Inc. | Manipulable dental model system for fabrication of a dental appliance |
US6463344B1 (en) * | 2000-02-17 | 2002-10-08 | Align Technology, Inc. | Efficient data representation of teeth model |
US7373286B2 (en) * | 2000-02-17 | 2008-05-13 | Align Technology, Inc. | Efficient data representation of teeth model |
US7904307B2 (en) | 2000-03-24 | 2011-03-08 | Align Technology, Inc. | Health-care e-commerce systems and methods |
US20020188478A1 (en) | 2000-03-24 | 2002-12-12 | Joe Breeland | Health-care systems and methods |
US6454565B2 (en) | 2000-04-25 | 2002-09-24 | Align Technology, Inc. | Systems and methods for varying elastic modulus appliances |
AU2001255655A1 (en) | 2000-04-25 | 2001-11-07 | Align Technology, Inc. | Treatment analysis systems and methods |
US7040896B2 (en) * | 2000-08-16 | 2006-05-09 | Align Technology, Inc. | Systems and methods for removing gingiva from computer tooth models |
US7074038B1 (en) * | 2000-12-29 | 2006-07-11 | Align Technology, Inc. | Methods and systems for treating teeth |
US7580846B2 (en) * | 2001-01-09 | 2009-08-25 | Align Technology, Inc. | Method and system for distributing patient referrals |
US7181875B2 (en) * | 2002-03-29 | 2007-02-27 | 3M Innovative Properties Company | Stock material for trim caps |
US6830450B2 (en) | 2002-04-18 | 2004-12-14 | Align Technology, Inc. | Systems and methods for improved engagement between aligners and teeth |
US7255558B2 (en) | 2002-06-18 | 2007-08-14 | Cadent, Ltd. | Dental imaging instrument having air stream auxiliary |
EP2465464B1 (en) | 2002-10-03 | 2018-08-22 | Align Technology, Inc. | A method for preparing a physical model |
US20040166462A1 (en) | 2003-02-26 | 2004-08-26 | Align Technology, Inc. | Systems and methods for fabricating a dental template |
WO2004087000A1 (en) | 2003-04-03 | 2004-10-14 | Cadent Ltd. | Method and system for fabricating a dental coping, and a coping fabricated thereby |
US7020963B2 (en) | 2003-05-02 | 2006-04-04 | 3M Innovative Properties Company | Method and apparatus for indirect bonding of orthodontic appliances |
US7188421B2 (en) * | 2003-05-02 | 2007-03-13 | 3M Innovative Properties Company | Orthodontic appliances having a contoured bonding surface |
US7030383B2 (en) | 2003-08-04 | 2006-04-18 | Cadent Ltd. | Speckle reduction method and apparatus |
US7077646B2 (en) * | 2003-08-29 | 2006-07-18 | Jack Keith Hilliard | Automated method for producing improved orthodontic aligners |
US7137812B2 (en) * | 2003-10-03 | 2006-11-21 | 3M Innovative Properties Company | Apparatus for indirect bonding of orthodontic appliances and method of making the same |
US20050074717A1 (en) * | 2003-10-03 | 2005-04-07 | 3M Innovative Properties Company | Method and apparatus for bonding orthodontic appliances to teeth |
SE526223C2 (en) * | 2003-12-10 | 2005-08-02 | Nobel Biocare Ab | System and apparatus for the manufacture and insertion of dental bridge construction |
US7333874B2 (en) | 2004-02-24 | 2008-02-19 | Cadent Ltd. | Method and system for designing and producing dental prostheses and appliances |
US9492245B2 (en) | 2004-02-27 | 2016-11-15 | Align Technology, Inc. | Method and system for providing dynamic orthodontic assessment and treatment profiles |
US7904308B2 (en) | 2006-04-18 | 2011-03-08 | Align Technology, Inc. | Method and system for providing indexing and cataloguing of orthodontic related treatment profiles and options |
US11298209B2 (en) | 2004-02-27 | 2022-04-12 | Align Technology, Inc. | Method and system for providing dynamic orthodontic assessment and treatment profiles |
US8874452B2 (en) | 2004-02-27 | 2014-10-28 | Align Technology, Inc. | Method and system for providing dynamic orthodontic assessment and treatment profiles |
US7153130B2 (en) * | 2004-06-10 | 2006-12-26 | 3M Innovative Properties Company | Orthodontic appliance with removable insert |
US7481647B2 (en) * | 2004-06-14 | 2009-01-27 | Align Technology, Inc. | Systems and methods for fabricating 3-D objects |
DE602005009432D1 (en) | 2004-06-17 | 2008-10-16 | Cadent Ltd | Method and apparatus for color forming a three-dimensional structure |
WO2006009747A1 (en) * | 2004-06-18 | 2006-01-26 | Dentsply International Inc. | Prescribed orthodontic activators |
US20060073433A1 (en) * | 2004-06-18 | 2006-04-06 | Anderson Michael C | Thermoforming plastic sheets for dental products |
BRPI0513859A (en) * | 2004-07-26 | 2008-05-20 | Dentsply Int Inc | system to correct extreme arcade mollusions |
US7322824B2 (en) * | 2004-08-17 | 2008-01-29 | Schmitt Stephen M | Design and manufacture of dental implant restorations |
US20060141420A1 (en) * | 2004-09-14 | 2006-06-29 | Dentsply Research And Development Corp. | Notched pontic and system for fabricating dental appliance for use therewith |
US7168950B2 (en) * | 2004-10-18 | 2007-01-30 | 3M Innovative Properties Company | Orthodontic methods and apparatus for applying a composition to a patient's teeth |
US7309230B2 (en) | 2004-12-14 | 2007-12-18 | Align Technology, Inc. | Preventing interference between tooth models |
ES2370405T3 (en) * | 2004-11-17 | 2011-12-15 | Dentsply International, Inc. | PLASTIC SHEETS FOR THERMOCONFORMING OF DENTAL PRODUCTS. |
US7862336B2 (en) | 2004-11-26 | 2011-01-04 | Cadent Ltd. | Method and system for providing feedback data useful in prosthodontic procedures associated with the intra oral cavity |
US7236842B2 (en) | 2004-12-02 | 2007-06-26 | Cadent Ltd. | System and method for manufacturing a dental prosthesis and a dental prosthesis manufactured thereby |
US7442040B2 (en) * | 2005-01-13 | 2008-10-28 | Align Technology, Inc. | Template for veneer application |
US20060166159A1 (en) * | 2005-01-25 | 2006-07-27 | Norbert Abels | Laser shaping of green metal body used in manufacturing an orthodontic bracket |
US20060163774A1 (en) * | 2005-01-25 | 2006-07-27 | Norbert Abels | Methods for shaping green bodies and articles made by such methods |
US20060166158A1 (en) * | 2005-01-25 | 2006-07-27 | Norbert Abels | Laser shaping of green metal body to yield an orthodontic bracke |
US7448514B2 (en) | 2005-02-03 | 2008-11-11 | Align Technology, Inc. | Storage system for dental devices |
WO2006092800A2 (en) | 2005-03-03 | 2006-09-08 | Cadent Ltd. | System and method for scanning an intraoral cavity |
US7374421B2 (en) * | 2005-03-31 | 2008-05-20 | Frederick Solomon | System and method for improved control of tooth movement with elastic repositioning appliances |
US7452205B2 (en) * | 2005-04-04 | 2008-11-18 | 3M Innovative Properties Company | Orthodontic indirect bonding apparatus with occlusal positioning stop members |
US7556496B2 (en) * | 2005-04-04 | 2009-07-07 | 3M Innovative Properties Company | Method of making indirect bonding apparatus for orthodontic therapy |
US20060275731A1 (en) | 2005-04-29 | 2006-12-07 | Orthoclear Holdings, Inc. | Treatment of teeth by aligners |
US7854610B2 (en) * | 2005-05-05 | 2010-12-21 | Dellinger Eugene L | Orthodontic tooth retention system |
US8147244B2 (en) * | 2005-05-05 | 2012-04-03 | Dellinger Eugene L | Orthodontic tooth retention system |
US7555403B2 (en) | 2005-07-15 | 2009-06-30 | Cadent Ltd. | Method for manipulating a dental virtual model, method for creating physical entities based on a dental virtual model thus manipulated, and dental models thus created |
US20070026358A1 (en) * | 2005-07-26 | 2007-02-01 | Schultz Charles J | Two-phase invisible orthodontics |
US8491306B2 (en) | 2005-08-03 | 2013-07-23 | 3M Innovative Properties Company | Registering physical and virtual tooth structures with pedestals |
US20070031791A1 (en) | 2005-08-03 | 2007-02-08 | 3M Innovative Properties Company | Scanning models for digital orthodontics |
US20070141525A1 (en) | 2005-12-16 | 2007-06-21 | Cinader Jr David K | Registering banded appliances for digital orthodontics treatment planning |
US20090305184A1 (en) * | 2006-02-03 | 2009-12-10 | Kang Ting | Mechanical transduction cyclic force orthodontic system |
US8043091B2 (en) | 2006-02-15 | 2011-10-25 | Voxelogix Corporation | Computer machined dental tooth system and method |
US8366442B2 (en) * | 2006-02-15 | 2013-02-05 | Bankruptcy Estate Of Voxelogix Corporation | Dental apparatus for radiographic and non-radiographic imaging |
US8038444B2 (en) | 2006-08-30 | 2011-10-18 | Align Technology, Inc. | Automated treatment staging for teeth |
US7835811B2 (en) | 2006-10-07 | 2010-11-16 | Voxelogix Corporation | Surgical guides and methods for positioning artificial teeth and dental implants |
US9326831B2 (en) | 2006-10-20 | 2016-05-03 | Align Technology, Inc. | System and method for positioning three-dimensional brackets on teeth |
WO2008051129A1 (en) * | 2006-10-27 | 2008-05-02 | Nobel Biocare Services Ag | A dental impression tray for use in obtaining an impression of a dental structure |
US8234000B2 (en) * | 2006-10-27 | 2012-07-31 | Nobel Biocare Services Ag | Method and apparatus for obtaining data for a dental component and a physical dental model |
WO2008066891A2 (en) * | 2006-11-28 | 2008-06-05 | Sensable Technologies, Inc. | Systems for haptic design of dental restorations |
US7878804B2 (en) | 2007-02-28 | 2011-02-01 | Align Technology, Inc. | Tracking teeth movement correction |
US7878805B2 (en) | 2007-05-25 | 2011-02-01 | Align Technology, Inc. | Tabbed dental appliance |
US10342638B2 (en) * | 2007-06-08 | 2019-07-09 | Align Technology, Inc. | Treatment planning and progress tracking systems and methods |
US8075306B2 (en) * | 2007-06-08 | 2011-12-13 | Align Technology, Inc. | System and method for detecting deviations during the course of an orthodontic treatment to gradually reposition teeth |
US8591225B2 (en) * | 2008-12-12 | 2013-11-26 | Align Technology, Inc. | Tooth movement measurement by automatic impression matching |
US20080306724A1 (en) * | 2007-06-08 | 2008-12-11 | Align Technology, Inc. | Treatment planning and progress tracking systems and methods |
US9060829B2 (en) * | 2007-06-08 | 2015-06-23 | Align Technology, Inc. | Systems and method for management and delivery of orthodontic treatment |
US8562338B2 (en) | 2007-06-08 | 2013-10-22 | Align Technology, Inc. | Treatment progress tracking and recalibration |
US8738394B2 (en) | 2007-11-08 | 2014-05-27 | Eric E. Kuo | Clinical data file |
US7914283B2 (en) | 2007-12-06 | 2011-03-29 | Align Technology, Inc. | Activatable dental appliance |
JP2011509812A (en) | 2008-01-23 | 2011-03-31 | センサブル テクノロジーズ インコーポレイテッド | Tactile controllable dental modeling system |
US8439672B2 (en) | 2008-01-29 | 2013-05-14 | Align Technology, Inc. | Method and system for optimizing dental aligner geometry |
US8899977B2 (en) | 2008-01-29 | 2014-12-02 | Align Technology, Inc. | Orthodontic repositioning appliances having improved geometry, methods and systems |
US8108189B2 (en) | 2008-03-25 | 2012-01-31 | Align Technologies, Inc. | Reconstruction of non-visible part of tooth |
US8092215B2 (en) | 2008-05-23 | 2012-01-10 | Align Technology, Inc. | Smile designer |
US9492243B2 (en) | 2008-05-23 | 2016-11-15 | Align Technology, Inc. | Dental implant positioning |
US9119691B2 (en) | 2008-05-23 | 2015-09-01 | Align Technology, Inc. | Orthodontic tooth movement device, systems and methods |
US8172569B2 (en) | 2008-06-12 | 2012-05-08 | Align Technology, Inc. | Dental appliance |
KR101706619B1 (en) | 2008-07-03 | 2017-02-14 | 얼라인 테크널러지, 인크. | Method, apparatus and system for use in dental procedures |
US8509932B2 (en) | 2008-07-17 | 2013-08-13 | Cadent Ltd. | Methods, systems and accessories useful for procedures relating to dental implants |
US20100055635A1 (en) | 2008-09-02 | 2010-03-04 | Align Technology, Inc. | Shape engineered aligner - auto shaping |
US8152518B2 (en) | 2008-10-08 | 2012-04-10 | Align Technology, Inc. | Dental positioning appliance having metallic portion |
US8936463B2 (en) | 2008-11-24 | 2015-01-20 | Align Technology, Inc. | Dental appliance with simulated teeth and method for making |
US20100129763A1 (en) * | 2008-11-24 | 2010-05-27 | Align Technology, Inc. | Sequential sports guard |
US8401686B2 (en) | 2008-12-18 | 2013-03-19 | Align Technology, Inc. | Reduced registration bonding template |
US9642678B2 (en) | 2008-12-30 | 2017-05-09 | Align Technology, Inc. | Method and system for dental visualization |
US8382474B2 (en) | 2008-12-31 | 2013-02-26 | Cadent Ltd. | Dental articulator |
US20100291505A1 (en) * | 2009-01-23 | 2010-11-18 | Curt Rawley | Haptically Enabled Coterminous Production of Prosthetics and Patient Preparations in Medical and Dental Applications |
US20100192375A1 (en) | 2009-02-02 | 2010-08-05 | Remedent Nv | Method for producing a dentist tool |
US8640338B2 (en) | 2009-02-02 | 2014-02-04 | Viax Dental Technologies, LLC | Method of preparation for restoring tooth structure |
US8936464B2 (en) | 2009-02-24 | 2015-01-20 | Cadent Ltd. | Method, system and model for indirect bonding |
US8292617B2 (en) | 2009-03-19 | 2012-10-23 | Align Technology, Inc. | Dental wire attachment |
US20100279245A1 (en) * | 2009-05-04 | 2010-11-04 | Navarro Carlos F | Removable Orthodontic Appliance and Method of Forming the Same |
WO2011005276A1 (en) | 2009-07-10 | 2011-01-13 | Teasdale Russell C | Systems and methods for orthodontic devices |
US8765031B2 (en) | 2009-08-13 | 2014-07-01 | Align Technology, Inc. | Method of forming a dental appliance |
FR2950522B1 (en) | 2009-09-25 | 2012-11-30 | Antoine Meley | ORTHODONTIC WORKING ARC AND ORTHODONTIC TREATMENT SYSTEM COMPRISING THE ARC |
US8348669B1 (en) | 2009-11-04 | 2013-01-08 | Bankruptcy Estate Of Voxelogix Corporation | Surgical template and method for positioning dental casts and dental implants |
US8708697B2 (en) | 2009-12-08 | 2014-04-29 | Align Technology, Inc. | Tactile objects for orthodontics, systems and methods |
US9934360B2 (en) * | 2010-02-10 | 2018-04-03 | Biocad Medical, Inc. | Dental data planning |
WO2011139412A2 (en) * | 2010-04-29 | 2011-11-10 | Teasdale Russell C | Orthodontic attachment device systems and methods |
US9211166B2 (en) | 2010-04-30 | 2015-12-15 | Align Technology, Inc. | Individualized orthodontic treatment index |
US20110269092A1 (en) | 2010-04-30 | 2011-11-03 | Align Technology, Inc. | Reinforced aligner hooks |
US9241774B2 (en) | 2010-04-30 | 2016-01-26 | Align Technology, Inc. | Patterned dental positioning appliance |
WO2012021242A2 (en) * | 2010-07-12 | 2012-02-16 | James Keddington | Apparatus, system, and method for removal of dental prosthesis |
ES2848157T3 (en) | 2010-07-19 | 2021-08-05 | Align Technology Inc | Procedures and systems for creating and interacting with three-dimensional virtual models |
US8594820B2 (en) | 2010-09-17 | 2013-11-26 | Nobel Biocare Services Ag | Prosthesis manipulation in dental prosthesis design |
DK2663254T3 (en) | 2011-01-13 | 2020-08-31 | Align Technology Inc | Methods, systems and accessories that can be used for dental implant procedures |
US9108338B2 (en) | 2011-04-13 | 2015-08-18 | Align Technology, Inc. | Methods and systems for thermal forming an object |
MX2013013872A (en) | 2011-05-26 | 2014-05-28 | Viax Dental Technologies Llc | Dental tool and guidance devices. |
US9125709B2 (en) | 2011-07-29 | 2015-09-08 | Align Technology, Inc. | Systems and methods for tracking teeth movement during orthodontic treatment |
US9403238B2 (en) | 2011-09-21 | 2016-08-02 | Align Technology, Inc. | Laser cutting |
US8641414B2 (en) | 2011-10-10 | 2014-02-04 | Align Technology, Inc. | Automatic placement of precision cuts |
US9375300B2 (en) | 2012-02-02 | 2016-06-28 | Align Technology, Inc. | Identifying forces on a tooth |
US9022781B2 (en) | 2012-02-15 | 2015-05-05 | Align Technology, Inc. | Orthodontic appliances that accommodate incremental and continuous tooth movement, systems and methods |
US9375298B2 (en) | 2012-02-21 | 2016-06-28 | Align Technology, Inc. | Dental models and related methods |
US9220580B2 (en) | 2012-03-01 | 2015-12-29 | Align Technology, Inc. | Determining a dental treatment difficulty |
US9655691B2 (en) | 2012-05-14 | 2017-05-23 | Align Technology, Inc. | Multilayer dental appliances and related methods and systems |
US9414897B2 (en) | 2012-05-22 | 2016-08-16 | Align Technology, Inc. | Adjustment of tooth position in a virtual dental model |
US20140067334A1 (en) | 2012-09-06 | 2014-03-06 | Align Technology Inc. | Method and a system usable in creating a subsequent dental appliance |
EP2914200B1 (en) | 2012-10-30 | 2019-05-22 | University of Southern California | Orthodontic appliance with snap fitted, non-sliding archwire |
US10617489B2 (en) | 2012-12-19 | 2020-04-14 | Align Technology, Inc. | Creating a digital dental model of a patient's teeth using interproximal information |
US9668829B2 (en) | 2012-12-19 | 2017-06-06 | Align Technology, Inc. | Methods and systems for dental procedures |
KR20150103360A (en) * | 2013-01-02 | 2015-09-10 | 지니오바 테크놀로지스 에스. 엘. | Removable lingual-vestibular dental alignment device and method for the production thereof |
US9707056B2 (en) | 2013-03-06 | 2017-07-18 | American Orthodontics Corporation | Indirect bonding tray and method of manufacture thereof |
US9393087B2 (en) | 2013-08-01 | 2016-07-19 | Align Technology, Inc. | Methods and systems for generating color images |
GB201319341D0 (en) * | 2013-11-01 | 2013-12-18 | Tal Nimrod | Orthodontic device |
US10758323B2 (en) | 2014-01-31 | 2020-09-01 | Align Technology, Inc. | Orthodontic appliances with elastics |
US10555792B2 (en) | 2014-01-31 | 2020-02-11 | Align Technology, Inc. | Direct fabrication of orthodontic appliances with elastics |
US11497586B2 (en) | 2014-03-21 | 2022-11-15 | Align Technology, Inc. | Segmented orthodontic appliance with elastics |
US9844424B2 (en) | 2014-02-21 | 2017-12-19 | Align Technology, Inc. | Dental appliance with repositioning jaw elements |
US10537406B2 (en) | 2014-02-21 | 2020-01-21 | Align Technology, Inc. | Dental appliance with repositioning jaw elements |
US10299894B2 (en) | 2014-02-21 | 2019-05-28 | Align Technology, Inc. | Treatment plan specific bite adjustment structures |
US10463823B2 (en) | 2014-03-10 | 2019-11-05 | Morpheus Medical Solutions, LLC | Facial mask and method of making |
US10471703B2 (en) | 2014-03-10 | 2019-11-12 | Morpheus Medical Solutions, LLC | Facial mask and method of making |
US10016262B2 (en) | 2014-06-16 | 2018-07-10 | Align Technology, Inc. | Unitary dental model |
EP3875053A1 (en) | 2014-06-20 | 2021-09-08 | Align Technology, Inc. | Aligners with elastic layer |
CN106572894A (en) | 2014-06-20 | 2017-04-19 | 阿莱恩技术有限公司 | Elastic-coated orthodontic appliance |
US9261358B2 (en) | 2014-07-03 | 2016-02-16 | Align Technology, Inc. | Chromatic confocal system |
US9261356B2 (en) | 2014-07-03 | 2016-02-16 | Align Technology, Inc. | Confocal surface topography measurement with fixed focal positions |
US9439568B2 (en) | 2014-07-03 | 2016-09-13 | Align Technology, Inc. | Apparatus and method for measuring surface topography optically |
US10772506B2 (en) | 2014-07-07 | 2020-09-15 | Align Technology, Inc. | Apparatus for dental confocal imaging |
US9693839B2 (en) | 2014-07-17 | 2017-07-04 | Align Technology, Inc. | Probe head and apparatus for intraoral confocal imaging using polarization-retarding coatings |
US9675430B2 (en) | 2014-08-15 | 2017-06-13 | Align Technology, Inc. | Confocal imaging apparatus with curved focal surface |
US9724177B2 (en) | 2014-08-19 | 2017-08-08 | Align Technology, Inc. | Viewfinder with real-time tracking for intraoral scanning |
US9700385B2 (en) | 2014-08-22 | 2017-07-11 | Alitn Technology, Inc. | Attachment structure |
US9660418B2 (en) | 2014-08-27 | 2017-05-23 | Align Technology, Inc. | VCSEL based low coherence emitter for confocal 3D scanner |
US10449016B2 (en) * | 2014-09-19 | 2019-10-22 | Align Technology, Inc. | Arch adjustment appliance |
US9610141B2 (en) | 2014-09-19 | 2017-04-04 | Align Technology, Inc. | Arch expanding appliance |
US11147652B2 (en) | 2014-11-13 | 2021-10-19 | Align Technology, Inc. | Method for tracking, predicting, and proactively correcting malocclusion and related issues |
US9744001B2 (en) | 2014-11-13 | 2017-08-29 | Align Technology, Inc. | Dental appliance with cavity for an unerupted or erupting tooth |
US9861513B2 (en) * | 2014-12-22 | 2018-01-09 | Riaz Rayek | System and method for treating obstructive sleep apnea and correcting malocclusion simultaneously |
US20160193014A1 (en) | 2015-01-05 | 2016-07-07 | Align Technology, Inc. | Method to modify aligner by modifying tooth position |
US10588776B2 (en) | 2015-01-13 | 2020-03-17 | Align Technology, Inc. | Systems, methods, and devices for applying distributed forces for mandibular advancement |
US10537463B2 (en) | 2015-01-13 | 2020-01-21 | Align Technology, Inc. | Systems and methods for positioning a patient's mandible in response to sleep apnea status |
US10517701B2 (en) | 2015-01-13 | 2019-12-31 | Align Technology, Inc. | Mandibular advancement and retraction via bone anchoring devices |
US10504386B2 (en) | 2015-01-27 | 2019-12-10 | Align Technology, Inc. | Training method and system for oral-cavity-imaging-and-modeling equipment |
EP4241726A3 (en) | 2015-02-23 | 2023-12-13 | Align Technology, Inc. | System and method to manufacture aligner by modifying tooth position |
EP3261579B1 (en) | 2015-02-23 | 2023-06-07 | Align Technology, Inc. | Primer aligner stages for lag issue resolution in low-stage clear aligner treatments |
US11337486B2 (en) | 2015-03-13 | 2022-05-24 | 3M Innovative Properties Company | Orthodontic appliance including arch member |
US11850111B2 (en) | 2015-04-24 | 2023-12-26 | Align Technology, Inc. | Comparative orthodontic treatment planning tool |
US10492888B2 (en) | 2015-07-07 | 2019-12-03 | Align Technology, Inc. | Dental materials using thermoset polymers |
US10363116B2 (en) | 2015-07-07 | 2019-07-30 | Align Technology, Inc. | Direct fabrication of power arms |
US11045282B2 (en) | 2015-07-07 | 2021-06-29 | Align Technology, Inc. | Direct fabrication of aligners with interproximal force coupling |
US10959810B2 (en) | 2015-07-07 | 2021-03-30 | Align Technology, Inc. | Direct fabrication of aligners for palate expansion and other applications |
US11642194B2 (en) | 2015-07-07 | 2023-05-09 | Align Technology, Inc. | Multi-material aligners |
US10743964B2 (en) | 2015-07-07 | 2020-08-18 | Align Technology, Inc. | Dual aligner assembly |
US10201409B2 (en) | 2015-07-07 | 2019-02-12 | Align Technology, Inc. | Dental appliance having ornamental design |
US10248883B2 (en) | 2015-08-20 | 2019-04-02 | Align Technology, Inc. | Photograph-based assessment of dental treatments and procedures |
US10631953B2 (en) | 2015-10-07 | 2020-04-28 | uLab Systems, Inc. | Three-dimensional printed dental appliances using support structures |
US10335250B2 (en) | 2015-10-07 | 2019-07-02 | uLab Systems, Inc. | Three-dimensional printed dental appliances using lattices |
US10357336B2 (en) | 2015-10-07 | 2019-07-23 | uLab Systems, Inc. | Systems and methods for fabricating dental appliances or shells |
US10624717B2 (en) | 2015-10-07 | 2020-04-21 | Ulab Systems Inc. | Tooth modeling system |
US11583365B2 (en) | 2015-10-07 | 2023-02-21 | uLab Systems, Inc. | System and methods for tooth movement as a flock |
US10548690B2 (en) | 2015-10-07 | 2020-02-04 | uLab Systems, Inc. | Orthodontic planning systems |
US11298210B2 (en) | 2015-10-09 | 2022-04-12 | John H. Khouri | Orthodontic assembly |
US11103330B2 (en) | 2015-12-09 | 2021-08-31 | Align Technology, Inc. | Dental attachment placement structure |
US11596502B2 (en) | 2015-12-09 | 2023-03-07 | Align Technology, Inc. | Dental attachment placement structure |
US10045835B2 (en) | 2016-02-17 | 2018-08-14 | Align Technology, Inc. | Variable direction tooth attachments |
BR112018072119A2 (en) * | 2016-04-28 | 2019-02-12 | Straumann Holding Ag | system and method for dental device manufacturing |
WO2017218947A1 (en) | 2016-06-17 | 2017-12-21 | Align Technology, Inc. | Intraoral appliances with sensing |
US10383705B2 (en) | 2016-06-17 | 2019-08-20 | Align Technology, Inc. | Orthodontic appliance performance monitor |
US10507087B2 (en) | 2016-07-27 | 2019-12-17 | Align Technology, Inc. | Methods and apparatuses for forming a three-dimensional volumetric model of a subject's teeth |
DK3578131T3 (en) | 2016-07-27 | 2020-12-21 | Align Technology Inc | Intraoral scanner with dental diagnostic features |
WO2018039383A1 (en) | 2016-08-24 | 2018-03-01 | Align Technology, Inc. | Method to visualize and manufacture aligner by modifying tooth position |
WO2018057622A1 (en) | 2016-09-21 | 2018-03-29 | uLab Systems, Inc. | Combined orthodontic movement of teeth with airway development therapy |
US10952821B2 (en) | 2016-09-21 | 2021-03-23 | uLab Systems, Inc. | Combined orthodontic movement of teeth with temporomandibular joint therapy |
US10357342B2 (en) | 2016-09-21 | 2019-07-23 | uLab Systems, Inc. | Digital dental examination and documentation |
WO2018085718A2 (en) | 2016-11-04 | 2018-05-11 | Align Technology, Inc. | Methods and apparatuses for dental images |
WO2018102702A1 (en) | 2016-12-02 | 2018-06-07 | Align Technology, Inc. | Dental appliance features for speech enhancement |
WO2018102770A1 (en) | 2016-12-02 | 2018-06-07 | Align Technology, Inc. | Force control, stop mechanism, regulating structure of removable arch adjustment appliance |
US10828133B2 (en) | 2016-12-02 | 2020-11-10 | Swift Health Systems Inc. | Indirect orthodontic bonding systems and methods for bracket placement |
AU2017366755B2 (en) | 2016-12-02 | 2022-07-28 | Align Technology, Inc. | Methods and apparatuses for customizing rapid palatal expanders using digital models |
CN110035708B (en) | 2016-12-02 | 2021-11-05 | 阿莱恩技术有限公司 | Palatal expander and method of expanding a palate |
US10548700B2 (en) | 2016-12-16 | 2020-02-04 | Align Technology, Inc. | Dental appliance etch template |
US11166788B2 (en) | 2016-12-19 | 2021-11-09 | Align Technology, Inc. | Aligners with enhanced gable bends |
US11071608B2 (en) | 2016-12-20 | 2021-07-27 | Align Technology, Inc. | Matching assets in 3D treatment plans |
US10456043B2 (en) | 2017-01-12 | 2019-10-29 | Align Technology, Inc. | Compact confocal dental scanning apparatus |
EP3576667B1 (en) | 2017-01-31 | 2023-12-06 | Swift Health Systems Inc. | Hybrid orthodontic archwires |
US10779718B2 (en) | 2017-02-13 | 2020-09-22 | Align Technology, Inc. | Cheek retractor and mobile device holder |
US11007035B2 (en) | 2017-03-16 | 2021-05-18 | Viax Dental Technologies Llc | System for preparing teeth for the placement of veneers |
US10973611B2 (en) | 2017-03-20 | 2021-04-13 | Align Technology, Inc. | Generating a virtual depiction of an orthodontic treatment of a patient |
US10613515B2 (en) | 2017-03-31 | 2020-04-07 | Align Technology, Inc. | Orthodontic appliances including at least partially un-erupted teeth and method of forming them |
US11612458B1 (en) | 2017-03-31 | 2023-03-28 | Swift Health Systems Inc. | Method of tongue preconditioning in preparation for lingual orthodontic treatment |
ES2959766T3 (en) | 2017-04-21 | 2024-02-28 | Swift Health Systems Inc | Indirect bonding splint that has several handles |
US11045283B2 (en) | 2017-06-09 | 2021-06-29 | Align Technology, Inc. | Palatal expander with skeletal anchorage devices |
WO2019005808A1 (en) | 2017-06-26 | 2019-01-03 | Align Technology, Inc. | Biosensor performance indicator for intraoral appliances |
WO2019006416A1 (en) | 2017-06-30 | 2019-01-03 | Align Technology, Inc. | Computer implemented method and system for designing and/or manufacturing orthodontic appliances for treating or preventing temporomandibular joint dysfunction |
US11793606B2 (en) | 2017-06-30 | 2023-10-24 | Align Technology, Inc. | Devices, systems, and methods for dental arch expansion |
US10885521B2 (en) | 2017-07-17 | 2021-01-05 | Align Technology, Inc. | Method and apparatuses for interactive ordering of dental aligners |
CN111107806B (en) | 2017-07-21 | 2022-04-19 | 阿莱恩技术有限公司 | Jaw profile anchoring |
WO2019023461A1 (en) | 2017-07-27 | 2019-01-31 | Align Technology, Inc. | Tooth shading, transparency and glazing |
EP4278957A3 (en) | 2017-07-27 | 2024-01-24 | Align Technology, Inc. | System and methods for processing an orthodontic aligner by means of an optical coherence tomography |
WO2019035979A1 (en) | 2017-08-15 | 2019-02-21 | Align Technology, Inc. | Buccal corridor assessment and computation |
WO2019036677A1 (en) | 2017-08-17 | 2019-02-21 | Align Technology, Inc. | Dental appliance compliance monitoring |
WO2019036514A1 (en) | 2017-08-17 | 2019-02-21 | Align Technology, Inc. | Systems, methods, and apparatus for correcting malocclusions of teeth |
US10813720B2 (en) | 2017-10-05 | 2020-10-27 | Align Technology, Inc. | Interproximal reduction templates |
CN111182849B (en) * | 2017-10-06 | 2022-06-24 | 3M创新有限公司 | Removable dental appliance including a spring member |
EP3700458B1 (en) | 2017-10-27 | 2023-06-07 | Align Technology, Inc. | Alternative bite adjustment structures |
CN111295153B (en) | 2017-10-31 | 2023-06-16 | 阿莱恩技术有限公司 | Dental appliance with selective bite loading and controlled tip staggering |
EP3703607A2 (en) | 2017-11-01 | 2020-09-09 | Align Technology, Inc. | Automatic treatment planning |
US11737857B2 (en) | 2017-11-01 | 2023-08-29 | Align Technology, Inc. | Systems and methods for correcting malocclusions of teeth |
WO2019100022A1 (en) | 2017-11-17 | 2019-05-23 | Align Technology, Inc. | Orthodontic retainers |
EP3716885B1 (en) | 2017-11-30 | 2023-08-30 | Align Technology, Inc. | Orthodontic intraoral appliances comprising sensors |
WO2019118876A1 (en) | 2017-12-15 | 2019-06-20 | Align Technology, Inc. | Closed loop adaptive orthodontic treatment methods and apparatuses |
US10980613B2 (en) | 2017-12-29 | 2021-04-20 | Align Technology, Inc. | Augmented reality enhancements for dental practitioners |
AU2019212649A1 (en) | 2018-01-26 | 2020-07-02 | Align Technology, Inc. | Diagnostic intraoral scanning and tracking |
US10952816B2 (en) | 2018-01-26 | 2021-03-23 | Align Technology, Inc. | Visual prosthetic and orthodontic treatment planning |
US11937991B2 (en) | 2018-03-27 | 2024-03-26 | Align Technology, Inc. | Dental attachment placement structure |
CN116211501A (en) | 2018-04-11 | 2023-06-06 | 阿莱恩技术有限公司 | Palate expander, palate expander device and system, and method for forming palate expander |
JP7437320B2 (en) | 2018-05-04 | 2024-02-22 | アライン テクノロジー, インコーポレイテッド | Curable compositions and methods of producing crosslinked polymers therefrom for use in high temperature lithography-based photopolymerization processes |
US11504214B2 (en) | 2018-05-11 | 2022-11-22 | Align Technology, Inc. | Devices, systems, and computer-implemented methods for dental attachment templates |
US11026766B2 (en) | 2018-05-21 | 2021-06-08 | Align Technology, Inc. | Photo realistic rendering of smile image after treatment |
US10217237B1 (en) | 2018-06-21 | 2019-02-26 | 3D Med Ag | Systems and methods for forming a desired bend angle in an orthodontic appliance |
WO2020005386A1 (en) | 2018-06-29 | 2020-01-02 | Align Technology, Inc. | Providing a simulated outcome of dental treatment on a patient |
US11553988B2 (en) | 2018-06-29 | 2023-01-17 | Align Technology, Inc. | Photo of a patient with new simulated smile in an orthodontic treatment review software |
US11701203B2 (en) | 2018-06-29 | 2023-07-18 | Align Technology, Inc. | Dental appliance hook placement and visualization |
US10835349B2 (en) | 2018-07-20 | 2020-11-17 | Align Technology, Inc. | Parametric blurring of colors for teeth in generated images |
US10251729B1 (en) | 2018-08-31 | 2019-04-09 | 3D Med Ag | Intra-oral device |
EP3833531B1 (en) | 2018-09-14 | 2023-06-28 | Align Technology, Inc. | Hybrid 3d printing with photo-curable materials |
US11478334B2 (en) | 2019-01-03 | 2022-10-25 | Align Technology, Inc. | Systems and methods for nonlinear tooth modeling |
CN116650153A (en) | 2019-01-03 | 2023-08-29 | 阿莱恩技术有限公司 | Automatic appliance design using robust parameter optimization method |
US11779243B2 (en) | 2019-01-07 | 2023-10-10 | Align Technology, Inc. | Customized aligner change indicator |
US11786346B2 (en) | 2019-01-11 | 2023-10-17 | Trion Concepts, Inc. | Bone-mounted dental arch veneers and methods for fabricating and utilizing the same |
US11771527B2 (en) | 2019-02-20 | 2023-10-03 | Sdc U.S. Smilepay Spv | Limited wear aligner and treatment methods |
EP4282377A3 (en) | 2019-05-14 | 2024-02-28 | Align Technology, Inc. | Visual presentation of gingival line generated based on 3d tooth model |
US11602414B2 (en) | 2019-06-11 | 2023-03-14 | Align Technology, Inc. | Aligner material, cleanliness, and quality detection via aligner case |
CA3153719A1 (en) | 2019-09-16 | 2021-03-25 | Align Technology, Inc. | Durable ornamental indicia carrier |
US10717208B1 (en) | 2019-12-04 | 2020-07-21 | Oxilio Ltd | Methods and systems for thermoforming orthodontic aligners |
US10631954B1 (en) | 2019-12-04 | 2020-04-28 | Oxilio Ltd | Systems and methods for determining orthodontic treatments |
US10631956B1 (en) | 2019-12-04 | 2020-04-28 | Oxilio Ltd | Methods and systems for making an orthodontic aligner having fixing blocks |
US10695146B1 (en) | 2019-12-04 | 2020-06-30 | Oxilio Ltd | Systems and methods for determining orthodontic treatments |
US11273008B2 (en) | 2019-12-04 | 2022-03-15 | Oxilio Ltd | Systems and methods for generating 3D-representation of tooth-specific appliance |
US10726949B1 (en) | 2019-12-05 | 2020-07-28 | Oxilio Ltd | Systems and methods for generating 3D-representation of tooth-specific platform for dental appliance |
US20210169617A1 (en) | 2019-12-09 | 2021-06-10 | Align Technology, Inc. | Occlusal block design for lateral locking |
US11723748B2 (en) | 2019-12-23 | 2023-08-15 | Align Technology, Inc. | 2D-to-3D tooth reconstruction, optimization, and positioning frameworks using a differentiable renderer |
US11622836B2 (en) | 2019-12-31 | 2023-04-11 | Align Technology, Inc. | Aligner stage analysis to obtain mechanical interactions of aligners and teeth for treatment planning |
US10751149B1 (en) | 2020-02-18 | 2020-08-25 | Oxilio Ltd | Method of determining deformation of gingiva |
US11851510B2 (en) | 2020-03-02 | 2023-12-26 | Align Technology, Inc. | Low viscosity photo-curable resins for the direct fabrication of orthodontic appliances |
CN115485310A (en) | 2020-03-13 | 2022-12-16 | 阿莱恩技术有限公司 | Weak covalent crosslinking for toughness enhancement in thermosets |
US10898298B1 (en) | 2020-04-08 | 2021-01-26 | Oxilio Ltd | Systems and methods for determining orthodontic treatment |
US10856954B1 (en) | 2020-05-19 | 2020-12-08 | Oxilio Ltd | Systems and methods for determining tooth center of resistance |
US10950061B1 (en) | 2020-07-23 | 2021-03-16 | Oxilio Ltd | Systems and methods for planning an orthodontic treatment |
US11026767B1 (en) | 2020-07-23 | 2021-06-08 | Oxilio Ltd | Systems and methods for planning an orthodontic treatment |
US10945812B1 (en) | 2020-07-24 | 2021-03-16 | Oxilio Ltd | Systems and methods for planning an orthodontic treatment |
US11661468B2 (en) | 2020-08-27 | 2023-05-30 | Align Technology, Inc. | Additive manufacturing using variable temperature-controlled resins |
USD958170S1 (en) | 2020-09-08 | 2022-07-19 | Arkimos Ltd | Display screen or portion thereof with graphical user interface |
US10993782B1 (en) | 2020-09-08 | 2021-05-04 | Oxilio Ltd | Systems and methods for determining a tooth trajectory |
EP4232283A1 (en) | 2020-11-18 | 2023-08-30 | Align Technology, Inc. | Dental apparatus with geometrical features to facilitate post-fabrication cleaning |
US11055850B1 (en) | 2021-01-06 | 2021-07-06 | Oxilio Ltd | Systems and methods for tooth segmentation |
US11191618B1 (en) | 2021-01-06 | 2021-12-07 | Arkimos Ltd | Systems and methods for forming a dental appliance |
US11166787B1 (en) | 2021-01-06 | 2021-11-09 | Arkimos Ltd | Orthodontic attachment systems and methods |
US11197744B1 (en) | 2021-01-06 | 2021-12-14 | Arkimos Ltd | Method and system for generating interdental filler models |
US11058515B1 (en) | 2021-01-06 | 2021-07-13 | Arkimos Ltd. | Systems and methods for forming dental appliances |
US11116606B1 (en) | 2021-01-06 | 2021-09-14 | Arkimos Ltd. | Systems and methods for determining a jaw curve |
US11337780B1 (en) * | 2021-04-19 | 2022-05-24 | Biotech Innovations, Inc. | Clear aligner attachment system and method |
US20220370171A1 (en) * | 2021-05-18 | 2022-11-24 | 1092228 B.C. Ltd. | Orthodontic appliance with aligner and attachment |
US11939287B2 (en) | 2021-06-24 | 2024-03-26 | Align Technology, Inc. | Recovery of monomeric and oligomeric building blocks from polymeric materials |
Family Cites Families (122)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US35169A (en) * | 1862-05-06 | Improvement in drawing-cans for cotton rovings | ||
US401096A (en) * | 1889-04-09 | altice | ||
US2467432A (en) * | 1943-07-23 | 1949-04-19 | Harold D Kesling | Method of making orthodontic appliances and of positioning teeth |
US3407500A (en) | 1966-05-06 | 1968-10-29 | Peter C. Kesling | Tooth positioner |
US3660900A (en) * | 1969-11-10 | 1972-05-09 | Lawrence F Andrews | Method and apparatus for improved orthodontic bracket and arch wire technique |
US3600808A (en) * | 1970-01-22 | 1971-08-24 | James Jackson Reeve | Anterior root-torquing auxiliary wire |
US3860803A (en) * | 1970-08-24 | 1975-01-14 | Diecomp Inc | Automatic method and apparatus for fabricating progressive dies |
US3683502A (en) * | 1970-09-14 | 1972-08-15 | Melvin Wallshein | Orthodontic systems |
US3916526A (en) | 1973-05-10 | 1975-11-04 | Fred Frank Schudy | Method and apparatus for orthodontic treatment |
US3922786A (en) | 1974-01-30 | 1975-12-02 | Joseph L Lavin | Method and apparatus for forming and fitting orthodontic appliances |
US3983628A (en) | 1975-01-24 | 1976-10-05 | Raul Acevedo | Dental articulator, new bite registration guide, and diagnostic procedure associated with stereodont orthodontic study model |
US3950851A (en) * | 1975-03-05 | 1976-04-20 | Bergersen Earl Olaf | Orthodontic positioner and method for improving retention of tooth alignment therewith |
US4014096A (en) | 1975-03-25 | 1977-03-29 | Dellinger Eugene L | Method and apparatus for orthodontic treatment |
JPS5358191A (en) * | 1976-11-05 | 1978-05-25 | Osamu Yoshii | Method of producing dental correction treating instrument using silicon resin material |
US4348178A (en) | 1977-01-03 | 1982-09-07 | Kurz Craven H | Vibrational orthodontic appliance |
US4195046A (en) * | 1978-05-04 | 1980-03-25 | Kesling Peter C | Method for molding air holes into a tooth positioning and retaining appliance |
US4324547A (en) * | 1978-09-16 | 1982-04-13 | Vishay Intertechnology, Inc. | Dentistry technique |
US4253828A (en) * | 1979-04-09 | 1981-03-03 | Coles Donna C | Orthodontic appliance |
DE2936847A1 (en) * | 1979-09-12 | 1981-03-19 | Paul Dr. 6054 Rodgau Heitlinger | METHOD FOR PRODUCING DENTAL SPARE AND DEVICE FOR IMPLEMENTING THE METHOD |
US4575805A (en) * | 1980-12-24 | 1986-03-11 | Moermann Werner H | Method and apparatus for the fabrication of custom-shaped implants |
DE3203937C2 (en) | 1982-02-05 | 1985-10-03 | Luc Dr. 4150 Krefeld Barrut | Method and device for machine restoration or correction of at least one tooth or for machine preparation of at least one tooth for a fixed prosthetic restoration and for machine production of the fixed prosthetic restoration |
FR2525103B1 (en) | 1982-04-14 | 1985-09-27 | Duret Francois | IMPRESSION TAKING DEVICE BY OPTICAL MEANS, PARTICULARLY FOR THE AUTOMATIC PRODUCTION OF PROSTHESES |
US4663720A (en) * | 1984-02-21 | 1987-05-05 | Francois Duret | Method of and apparatus for making a prosthesis, especially a dental prosthesis |
US4500294A (en) * | 1983-10-03 | 1985-02-19 | Epic International Corporation | Method and device for detecting dental cavities |
US4526540A (en) * | 1983-12-19 | 1985-07-02 | Dellinger Eugene L | Orthodontic apparatus and method for treating malocclusion |
DE3415006A1 (en) * | 1984-04-19 | 1985-11-07 | Helge Dr. 8000 München Fischer-Brandies | DENTAL PROCESS AND DEVICE FOR BENDING AND TURNING A WIRE PIECE |
US4798534A (en) * | 1984-08-03 | 1989-01-17 | Great Lakes Orthodontic Laboratories Inc. | Method of making a dental appliance |
US4575330A (en) * | 1984-08-08 | 1986-03-11 | Uvp, Inc. | Apparatus for production of three-dimensional objects by stereolithography |
US4609349A (en) | 1984-09-24 | 1986-09-02 | Cain Steve B | Active removable orthodontic appliance and method of straightening teeth |
US4591341A (en) * | 1984-10-03 | 1986-05-27 | Andrews Lawrence F | Orthodontic positioner and method of manufacturing same |
US4664626A (en) * | 1985-03-19 | 1987-05-12 | Kesling Peter C | System for automatically preventing overtipping and/or overuprighting in the begg technique |
US4763791A (en) * | 1985-06-06 | 1988-08-16 | Excel Dental Studios, Inc. | Dental impression supply kit |
GB2176402B (en) * | 1985-06-20 | 1989-04-19 | Craig Med Prod Ltd | Wound management appliance for use on the human skin |
US4936862A (en) * | 1986-05-30 | 1990-06-26 | Walker Peter S | Method of designing and manufacturing a human joint prosthesis |
CH672722A5 (en) * | 1986-06-24 | 1989-12-29 | Marco Brandestini | |
CA1284040C (en) * | 1986-06-26 | 1991-05-14 | Peter C. Kesling | Edgewise bracket to provide both free crown tipping and a predetermineddegree of root uprighting |
US4877398A (en) | 1987-04-16 | 1989-10-31 | Tp Orthodontics, Inc. | Bracket for permitting tipping and limiting uprighting |
US4676747A (en) * | 1986-08-06 | 1987-06-30 | Tp Orthodontics, Inc. | Torquing auxiliary |
US4983334A (en) * | 1986-08-28 | 1991-01-08 | Loren S. Adell | Method of making an orthodontic appliance |
US4755139A (en) * | 1987-01-29 | 1988-07-05 | Great Lakes Orthodontics, Ltd. | Orthodontic anchor appliance and method for teeth positioning and method of constructing the appliance |
US4850864A (en) * | 1987-03-30 | 1989-07-25 | Diamond Michael K | Bracket placing instrument |
US4850865A (en) * | 1987-04-30 | 1989-07-25 | Napolitano John R | Orthodontic method and apparatus |
US4856991A (en) * | 1987-05-05 | 1989-08-15 | Great Lakes Orthodontics, Ltd. | Orthodontic finishing positioner and method of construction |
US5186623A (en) * | 1987-05-05 | 1993-02-16 | Great Lakes Orthodontics, Ltd. | Orthodontic finishing positioner and method of construction |
US4836778A (en) * | 1987-05-26 | 1989-06-06 | Vexcel Corporation | Mandibular motion monitoring system |
DE3723555C2 (en) | 1987-07-16 | 1994-08-11 | Steinbichler Hans | Process for the production of dentures |
NL8702391A (en) * | 1987-10-07 | 1989-05-01 | Elephant Edelmetaal Bv | METHOD FOR MANUFACTURING A DENTAL CROWN FOR A TEETH PREPARATION USING A CAD-CAM SYSTEM |
US4793803A (en) | 1987-10-08 | 1988-12-27 | Martz Martin G | Removable tooth positioning appliance and method |
US4880380A (en) | 1987-10-13 | 1989-11-14 | Martz Martin G | Orthodonture appliance which may be manually installed and removed by the patient |
KR0145302B1 (en) * | 1988-04-28 | 1998-08-17 | 카자마 젠쥬 | Plasma processing method |
US4941826A (en) * | 1988-06-09 | 1990-07-17 | William Loran | Apparatus for indirect dental machining |
US5100316A (en) * | 1988-09-26 | 1992-03-31 | Wildman Alexander J | Orthodontic archwire shaping method |
US5055039A (en) | 1988-10-06 | 1991-10-08 | Great Lakes Orthodontics, Ltd. | Orthodontic positioner and methods of making and using same |
US4935635A (en) * | 1988-12-09 | 1990-06-19 | Harra Dale G O | System for measuring objects in three dimensions |
WO1990008505A1 (en) * | 1989-01-24 | 1990-08-09 | Dolphin Imaging Systems Inc. | Method and apparatus for generating cephalometric images |
US5011405A (en) | 1989-01-24 | 1991-04-30 | Dolphin Imaging Systems | Method for determining orthodontic bracket placement |
US4889238A (en) | 1989-04-03 | 1989-12-26 | The Procter & Gamble Company | Medicament package for increasing compliance with complex therapeutic regimens |
US4975052A (en) | 1989-04-18 | 1990-12-04 | William Spencer | Orthodontic appliance for reducing tooth rotation |
US5128870A (en) * | 1989-06-09 | 1992-07-07 | Regents Of The University Of Minnesota | Automated high-precision fabrication of objects of complex and unique geometry |
US5121333A (en) * | 1989-06-09 | 1992-06-09 | Regents Of The University Of Minnesota | Method and apparatus for manipulating computer-based representations of objects of complex and unique geometry |
US5184306A (en) * | 1989-06-09 | 1993-02-02 | Regents Of The University Of Minnesota | Automated high-precision fabrication of objects of complex and unique geometry |
US5257203A (en) | 1989-06-09 | 1993-10-26 | Regents Of The University Of Minnesota | Method and apparatus for manipulating computer-based representations of objects of complex and unique geometry |
US5027281A (en) * | 1989-06-09 | 1991-06-25 | Regents Of The University Of Minnesota | Method and apparatus for scanning and recording of coordinates describing three dimensional objects of complex and unique geometry |
JPH039712U (en) * | 1989-06-20 | 1991-01-30 | ||
US5431562A (en) * | 1990-01-19 | 1995-07-11 | Ormco Corporation | Method and apparatus for designing and forming a custom orthodontic appliance and for the straightening of teeth therewith |
US5454717A (en) | 1990-01-19 | 1995-10-03 | Ormco Corporation | Custom orthodontic brackets and bracket forming method and apparatus |
US5533895A (en) * | 1990-01-19 | 1996-07-09 | Ormco Corporation | Orthodontic appliance and group standardized brackets therefor and methods of making, assembling and using appliance to straighten teeth |
US5474448A (en) | 1990-01-19 | 1995-12-12 | Ormco Corporation | Low profile orthodontic appliance |
US5447432A (en) | 1990-01-19 | 1995-09-05 | Ormco Corporation | Custom orthodontic archwire forming method and apparatus |
US5368478A (en) | 1990-01-19 | 1994-11-29 | Ormco Corporation | Method for forming jigs for custom placement of orthodontic appliances on teeth |
US5139419A (en) * | 1990-01-19 | 1992-08-18 | Ormco Corporation | Method of forming an orthodontic brace |
US5395238A (en) * | 1990-01-19 | 1995-03-07 | Ormco Corporation | Method of forming orthodontic brace |
US5440326A (en) * | 1990-03-21 | 1995-08-08 | Gyration, Inc. | Gyroscopic pointer |
US5562448A (en) | 1990-04-10 | 1996-10-08 | Mushabac; David R. | Method for facilitating dental diagnosis and treatment |
US5452219A (en) | 1990-06-11 | 1995-09-19 | Dentsply Research & Development Corp. | Method of making a tooth mold |
US5340309A (en) * | 1990-09-06 | 1994-08-23 | Robertson James G | Apparatus and method for recording jaw motion |
SE468198B (en) * | 1990-12-12 | 1992-11-23 | Nobelpharma Ab | PROCEDURE AND DEVICE FOR MANUFACTURE OF INDIVIDUALLY DESIGNED THREE-DIMENSIONAL BODIES USEFUL AS TENDERS, PROTESTES, ETC |
US5131844A (en) * | 1991-04-08 | 1992-07-21 | Foster-Miller, Inc. | Contact digitizer, particularly for dental applications |
US5131843A (en) * | 1991-05-06 | 1992-07-21 | Ormco Corporation | Orthodontic archwire |
US5145364A (en) | 1991-05-15 | 1992-09-08 | M-B Orthodontics, Inc. | Removable orthodontic appliance |
US5176517A (en) * | 1991-10-24 | 1993-01-05 | Tru-Tain, Inc. | Dental undercut application device and method of use |
US5273429A (en) | 1992-04-03 | 1993-12-28 | Foster-Miller, Inc. | Method and apparatus for modeling a dental prosthesis |
US5384862A (en) * | 1992-05-29 | 1995-01-24 | Cimpiter Corporation | Radiographic image evaluation apparatus and method |
FR2693096B1 (en) * | 1992-07-06 | 1994-09-23 | Deshayes Marie Josephe | Process for modeling the cranial and facial morphology from an x-ray of the skull. |
EP0667753B1 (en) * | 1992-11-09 | 2000-01-19 | Ormco Corporation | Custom orthodontic appliance forming method and apparatus |
US5456600A (en) | 1992-11-09 | 1995-10-10 | Ormco Corporation | Coordinated orthodontic archwires and method of making same |
US5542842A (en) * | 1992-11-09 | 1996-08-06 | Ormco Corporation | Bracket placement jig assembly and method of placing orthodontic brackets on teeth therewith |
US5528735A (en) * | 1993-03-23 | 1996-06-18 | Silicon Graphics Inc. | Method and apparatus for displaying data within a three-dimensional information landscape |
SE501410C2 (en) * | 1993-07-12 | 1995-02-06 | Nobelpharma Ab | Method and apparatus in connection with the manufacture of tooth, bridge, etc. |
CN1054737C (en) * | 1993-07-12 | 2000-07-26 | 欧索-泰公司 | A multi-racial preformed orthodontic treatment appliance |
SE501411C2 (en) | 1993-07-12 | 1995-02-06 | Nobelpharma Ab | Method and apparatus for three-dimensional body useful in the human body |
NL9301308A (en) * | 1993-07-26 | 1995-02-16 | Willem Frederick Van Nifterick | Method of securing a dental prosthesis to implants in a patient's jawbone and using means thereof. |
US5382164A (en) * | 1993-07-27 | 1995-01-17 | Stern; Sylvan S. | Method for making dental restorations and the dental restoration made thereby |
US5338198A (en) * | 1993-11-22 | 1994-08-16 | Dacim Laboratory Inc. | Dental modeling simulator |
SE502427C2 (en) * | 1994-02-18 | 1995-10-16 | Nobelpharma Ab | Method and device utilizing articulator and computer equipment |
US5621648A (en) * | 1994-08-02 | 1997-04-15 | Crump; Craig D. | Apparatus and method for creating three-dimensional modeling data from an object |
US5880961A (en) * | 1994-08-02 | 1999-03-09 | Crump; Craig D. | Appararus and method for creating three-dimensional modeling data from an object |
US5549476A (en) * | 1995-03-27 | 1996-08-27 | Stern; Sylvan S. | Method for making dental restorations and the dental restoration made thereby |
JP3672966B2 (en) * | 1995-04-14 | 2005-07-20 | 株式会社ユニスン | Method and apparatus for creating dental prediction model |
US5645421A (en) * | 1995-04-28 | 1997-07-08 | Great Lakes Orthodontics Ltd. | Orthodontic appliance debonder |
US5655653A (en) * | 1995-07-11 | 1997-08-12 | Minnesota Mining And Manufacturing Company | Pouch for orthodontic appliance |
US5742700A (en) * | 1995-08-10 | 1998-04-21 | Logicon, Inc. | Quantitative dental caries detection system and method |
US5725376A (en) * | 1996-02-27 | 1998-03-10 | Poirier; Michel | Methods for manufacturing a dental implant drill guide and a dental implant superstructure |
US5799100A (en) * | 1996-06-03 | 1998-08-25 | University Of South Florida | Computer-assisted method and apparatus for analysis of x-ray images using wavelet transforms |
US5725378A (en) * | 1996-08-16 | 1998-03-10 | Wang; Hong-Chi | Artificial tooth assembly |
JPH1075963A (en) * | 1996-09-06 | 1998-03-24 | Nikon Corp | Method for designing dental prosthetic appliance model and medium recording program for executing the method |
AUPO280996A0 (en) * | 1996-10-04 | 1996-10-31 | Dentech Investments Pty Ltd | Creation and utilization of 3D teeth models |
JP2824424B2 (en) * | 1996-11-07 | 1998-11-11 | 株式会社エフ・エーラボ | 3D machining method |
US6217334B1 (en) * | 1997-01-28 | 2001-04-17 | Iris Development Corporation | Dental scanning method and apparatus |
US5957686A (en) | 1997-04-29 | 1999-09-28 | Anthony; Wayne L. | Incisor block |
US5879158A (en) * | 1997-05-20 | 1999-03-09 | Doyle; Walter A. | Orthodontic bracketing system and method therefor |
US5866058A (en) * | 1997-05-29 | 1999-02-02 | Stratasys Inc. | Method for rapid prototyping of solid models |
US6705863B2 (en) * | 1997-06-20 | 2004-03-16 | Align Technology, Inc. | Attachment devices and methods for a dental appliance |
AU744385B2 (en) * | 1997-06-20 | 2002-02-21 | Align Technology, Inc. | Method and system for incrementally moving teeth |
US5975893A (en) * | 1997-06-20 | 1999-11-02 | Align Technology, Inc. | Method and system for incrementally moving teeth |
US6183248B1 (en) * | 1998-11-30 | 2001-02-06 | Muhammad Chishti | System and method for releasing tooth positioning appliances |
US6309215B1 (en) * | 1997-06-20 | 2001-10-30 | Align Technology Inc. | Attachment devices and method for a dental applicance |
US5971754A (en) | 1998-07-30 | 1999-10-26 | Sondhi; Anoop | Indirect bonding method and adhesive for orthodontic treatment |
US5964587A (en) | 1998-09-16 | 1999-10-12 | Sato; Mikio | Bite control point and a method to form a projection on tooth surface |
US6190165B1 (en) * | 1999-03-23 | 2001-02-20 | Ormco Corporation | Plastic orthodontic appliance having mechanical bonding base and method of making same |
US6350120B1 (en) * | 1999-11-30 | 2002-02-26 | Orametrix, Inc. | Method and apparatus for designing an orthodontic apparatus to provide tooth movement |
US6524101B1 (en) * | 2000-04-25 | 2003-02-25 | Align Technology, Inc. | System and methods for varying elastic modulus appliances |
-
2001
- 2001-10-29 US US10/040,269 patent/US6705863B2/en not_active Expired - Lifetime
-
2003
- 2003-09-12 US US10/660,857 patent/US7125248B2/en not_active Expired - Fee Related
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US8142189B2 (en) | 2001-12-28 | 2012-03-27 | Noble Biocare Services AG | Arrangement and device for using a template to form holes for implants in bone, preferably jaw bone |
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US9348973B2 (en) | 2009-05-18 | 2016-05-24 | Nobel Biocare Services Ag | Method and system providing improved data matching for virtual planning |
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US10004573B2 (en) * | 2012-12-21 | 2018-06-26 | Friedrich Widu | Guidance element for a tooth |
US20140178830A1 (en) * | 2012-12-21 | 2014-06-26 | Friedrich Widu | Guidance element for a tooth |
US10869738B2 (en) | 2014-10-07 | 2020-12-22 | Dentsply Sirona Inc. | Tooth attachment placement device |
US20160095670A1 (en) * | 2014-10-07 | 2016-04-07 | Orametrix, Inc. | Tooth attachment placement device |
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US11065085B2 (en) | 2015-09-08 | 2021-07-20 | ArchForm Inc. | Tooth-positioning appliance, systems and methods of producing and using the same |
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US20170135792A1 (en) * | 2015-11-12 | 2017-05-18 | Align Technology, Inc. | Dental attachment formation structure |
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US6705863B2 (en) | 2004-03-16 |
US20040048223A1 (en) | 2004-03-11 |
US7125248B2 (en) | 2006-10-24 |
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